UltraLongevity: The Seven-Step Program for a Younger, Healthier Youby Mark Liponis
Cutting-edge research makes UltraLongevity the first/i>
Medical director of the world-famous Canyon Ranch Health Resorts, Dr. Mark Liponis presents his extraordinary new idea: that aging and aging-related diseases---including heart disease, cancer, and diabetes---are autoimmune problems, and that a well-managed immune system is the key to healthy aging.
Cutting-edge research makes UltraLongevity the first and only book to explore aging within the context of the immune system, and it will change the way we look at health forever. Starting with a quiz---"How Fast Are You Aging?"---Liponis explains the new science, lays out an accessible and proven 7-step program with an 8-day meal plan, and motivates readers to put the program into practice so that they can keep their minds sharp, become more physically fit, be more resistant to infections and disease, and feel and stay younger than they ever imagined. Through the UltraLongevity program, Liponis promises more than a long life; he promises a long, healthy life.
Advance praise for UltraLongevity
"What an awesome and practical anti-aging program! Dr. Liponis's approach to longevity is based on proven technological breakthroughs supported by hundreds of studies. This is the best original thinking I have seen in decades!"-Stephen T. Sinatra, MD, FACC, CNS, coauthor of Reverse Heart Disease Now
"UltraLongevity is a treasure-it's loaded with exactly the kind of information everyone needs to live well and vibrantly-for as long as possible." -
". . . an insightful, simplified, and integrated approach to achieving optimal health, wellness, and longevity." -
Liponis, a corporate medical doctor, theorizes that it isn't aging that kills a person: it's their immune system. According to the book, "Immune system hyperactivity" can be stopped at any age by incorporating healthy lifestyle changes. An interesting quiz ("How Fast Are You Aging?") points to major factors in an overactive immune system. Smoking, poor air quality, being overweight, overuse of antibiotics, low birth weight, loneliness and stress all have a negative impact on your score, while eating right, getting enough sleep and exercise, having a pet and a good sex life will put you in the plus column. Liponis renders the complicated immune system understandable by comparing it to our nation's Homeland Security-investigating intruders and warding off potential threats. His seven steps to a healthy system (breathe, eat, sleep, dance, love, soothe, enhance) are well reasoned and sensible. However, the eight-day meal plan may not be to everyone's liking, and Liponis occasionally lapses into a touchy-feely, new-age tone that may turn off some readers. (Sept.)
Matthea Harvey" PAGE="48" CONTENTTYPE="Review">
In the latest book on aging well and reducing or minimizing degenerative disorders associated with aging, Liponis (medical director, Canyon Ranch Spa; coauthor, Ultraprevention) claims that an overactive immune system causes arthritis, diabetes, irritable-bowel disorders, asthma, and so on. C-reactive proteins (CRPs) indicate the level of immune system activity; Liponis cites studies that have shown how CRP levels can be lowered. As John Robbins did in Healthy at 100and Sanjay Gupta in Chasing Life, Liponis focuses on ways to reduce wear and tear through healthy eating, regular exercise, social interaction, deep breathing, etc. His lengthy introduction to the immune system may be slow-going for some readers, but the program itself is easy to follow and supported by good documentation. Included are excellent recipes from the famed Canyon Ranch kitchen. Libraries that are building collections in this subject will definitely want to add this; recommended. [See Prepub Alert, LJ5/15/07.]
Susan B. Hagloch
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Inside you are more than thirty different organs, which include more than two hundred different cell types and about 100 trillion cells. Each organ is patrolled by your immune system, which is constantly performing surveillance for possible threats. Following are some of the major players.
Bone marrow, the reddish-looking material inside nearly every bone in the human body, is where all of the blood cells are produced.
Inside the marrow, on an inner framework, lie the bone marrow stem cells. These cells are constantly dividing, producing huge numbers of cells that turn into red and white blood cells.
The bone marrow stem cells continue to divide, even as they keep making red and white blood cells. And just as a couple of million are being produced every second, the same number are being gobbled up and destroyed in the spleen, which is, in effect, the cells' decommissioning center. The spleen is where blood cells are taken out of circulation once they've completed their useful life cycle (see below).
This process-birth in the bone marrow, death in the spleen- should be evenly balanced. If it isn't, you will be prone to a blood disorder. For example, if your system is destroying more red blood cells than it's making, you'll become anemic, which will make you feel tired and appear pale. If you're making more than you are destroying, you'll become polycythemic, or suffer from blood that is overcrowded with red blood cells.
Once the cells form in the bone marrow, they remain there and mature, at which time they exit and enter the bloodstream. There they circulate, the red cells carrying oxygen and carbon dioxide, and the white cells patrolling for invaders.
The thymus, located in front of your windpipe in the upper chest region, is the most mysterious organ in your homeland.
In infants, the thymus is, relatively speaking, huge. It grows until about puberty and then starts to shrink. By old age, the thymus has almost completely disappeared.
The thymus serves the role of a kind of boot camp for the white blood cells called T cells-it's where these cells go to mature. The thymus is especially active early in life because, during youth, T cells are constantly being exposed to new things, from new proteins in your diet to new germs. These T cells need to have a place to congregate, share information, and learn about threats and attacks.
For example, let's say one of the cells in your immune system comes in contact with a foreign invader. It now has to communicate that information to other cells so they can become aware of the invader too. The thymus is where this information is shared and training occurs.
Why does the thymus later atrophy? Science doesn't know for certain, but as you grow older, your immune system has less to learn. So the current thinking is that there may be less need for a large thymus as we age. But although the thymus is not as big or as active as it was when we were young, the smaller thymus is still able to help train T cells well into our eighties, nineties, and beyond.
Another important training center and meeting ground for the immune system is the spleen. This large organ, about the size of your fist, is located on the left side of your belly, tucked under your ribs.
The spleen is a common meeting place for all the immune system's cells. Blood routes to the spleen, where the cells circulate and mingle, allowing them to tell each other what they've learned, what they've seen, what they've killed, and what antibodies they've made.
The heart pumps the blood around the body about once every minute, which means each blood cell might find itself in the spleen about 1,400 times a day. That's a great many trips.
The spleen is also important because it's where the body decides if a red or a white blood cell has gotten too old. Once the decision is made, the cell is decommissioned and disassembled and its building blocks are recycled.
You can live without a spleen; if it ruptures, the liver can take over its functions. Still, if your spleen is removed or no longer works, your immunity becomes impaired; people without a spleen are more susceptible to infections.
Nearly everyone knows about the bloodstream: it's a road map of blood vessels that allow our blood to circulate through our body. But few people realize that another important, and completely different, circulatory system exists in the body-the lymphatic system, which circulates our lymph.
Lymph is a clear fluid that travels through your body, cleaning your tissues and keeping them nourished. Just as blood circulates back to the heart through our veins, lymph must also be recycled and return to the heart, which it does through the lymphatic system.
The lymphatic system is something of a secondary transportation system for your homeland troops. Like the circulatory system, it is composed of a series of vessels and tubes. The major difference between the circulatory and the lymphatic systems is that the latter lacks a pump to move the fluid it carries. For the blood, that pump is the heart. For lymph, the flow back to the heart is achieved through a more passive process involving muscle contractions and gravity.
You may have noticed that your feet swell during a long journey on an airplane or in a car. This is due to lack of movement; your muscles haven't been able to circulate lymph, so because of gravity, it collects at the lowest part of your body-your feet.
You also may be aware of a condition known as edema, which is swelling that results from a collection of lymph. Edema occurs when excess lymph fluid cannot be returned back into circulation.
The bloodstream is extensive, branching out from its main trunk, the aorta, as well as smaller arteries, arterioles, capillaries, veins, and venules, but there is still a large portion of our tissues the capillaries can't reach.
Here is where the lymph comes into play. Nutrients such as glucose (blood sugar) must be helped so they can reach and nourish each and every cell, including those the bloodstream can't reach. That happens via the lymph fluid, which bathes and nourishes all of the body's tissues. And once those nutrients have been used, the fluid must be recycled or your body would swell up like the Michelin tire man.
Along the course of the lymphatic system are way stations known as lymph nodes. These are outposts whose sentries make sure nothing passes through the lymphatic channels that shouldn't. The lymphatic system could provide easy and direct access for a germ or microbe to our heart and bloodstream, so to prevent that from happening, lymphocytes (T cells and B cells) aggregate in lymph nodes, waiting for something bad to pass by. When they spot that something, the node cells attack before it can venture into the heart and bloodstream.
When a problem is stirring in your body, the lymph nodes become enlarged. For example, if you have swollen glands in the neck, your nodes may have found some virus that landed in the back of the throat and is trying to gain access to the lungs or bloodstream. Lymph nodes responding to some infection can become swollen almost anywhere: in the groin, neck, chest, abdomen, and so on.
Probably the most important cells of our immune system, as well as the best-known and the most numerous, are the white blood cells. This term distinguishes them from the red blood cells, the disk-like cells responsible for carrying oxygen and carbon dioxide from our lungs throughout the rest of the body.
Most people probably think of white blood cells simply as formless globules floating through our bloodstream, randomly patrolling for microbes. But our white blood cells are very purposeful and deliberate in their surveillance, and there are actually many different types of white blood cells, each with specialized functions. And these white blood cells are found not just in the blood, but throughout our bodies-in each of our organs, from the brain to the liver to the lungs, as well as throughout the lymphatic system.
The first line of immune cells are the lymphocytes. Cyte means "cell," so lymphocytes are the lymph or lymphatic cells. The ones you most need to know about are the B lymphocytes (better known as B cells) and the T lymphocytes (better known as T cells).
B cells were so named because they were first studied in the bursa of Fabricius, an organ unique to birds. In humans, B cells actually originate in the bone marrow.
The B cells have two major jobs: they maintain a memory database, and they create complex protein structures that are used as weapons against threats and invaders. These complex structures are called antibodies, about which more is coming.
B cells keep a record of every single interaction your immune system has ever had. This means that within your body, a record of every germ and virus you've ever encountered, every protein you've ever eaten, every piece of pollen you've ever inhaled, has been stored in a memory bank-not in your brain, but in your immune system. Think about it: for each of these interactions, there is a B cell floating around inside your body that has retained a memory of the encounter.
Your immune system's memory is, in some ways, more impressive than your brain's. Most of us can only evoke faint memories from early childhood. Your immune system, however, remembers your first vaccination, which probably occurred in the earliest days of your life. Research now suggests that your immune system even stores memories from when you were still developing in your mother's womb.
Shortly after birth, you were probably immunized with vaccines for diphtheria, tetanus, and pertussis (whooping cough). Although the memory of that immunization may fade somewhat, and a booster may be needed to remind your immune system, some remnant of that memory lasts a lifetime.
These stored memories are critically important for your survival; they are what make you immune to becoming sick more than once from certain illnesses.
For example, after a bout of chicken pox in childhood, you become immune-you usually can't catch chicken pox again as an adult. Likewise, after being immunized with a shot for tetanus, you won't succumb to the bacterial infection that causes tetanus. Your B cells now have the memory stored away and prevent you from coming down with the disease.
A memory of exposure to prior threats is crucial because it allows your immune system to respond more quickly and effectively to serious threats if you are re-exposed. Without such a memory, and a rapid response, exposure to ailments such as tetanus or diphtheria could be fatal.
It's also important for your immune system to remember prior contacts and exposures even if they're not potentially lethal, as it makes your immune system less likely to cause an overwhelming reaction when encountering nonlethal microbes. If, for example, your immune system overreacted every time you ate a particular food, or breathed in a particular pollen, you would forever exist in a state of immune hyperactivity and unnecessary battle.
One example of an overreaction by our immune system is an allergy, which can trigger serious problems like asthma or even anaphylaxis, which can be lethal. We'll talk more about this later. B cells possess another important function. They make antibodies, whose role in your internal homeland security is similar to that of the U.S. Army Corps of Engineers. Here B cells work closely with T cells to build complex mechanical and chemical structures that act as deadly weapons to neutralize invaders.
Antibodies are complex proteins manufactured to exact specifications. Each antibody is built by the B cells to neutralize one specific invader. Medical science does not yet fully understand the way in which these antibodies are made. What is known is that B cells team up with macrophages in order to create them.
First, what is a macrophage? Phage comes from the Greek phagon, meaning "to eat." Macro, from the Greek macron, means "big." Thus a macrophage is a "big eater."
Macrophages constantly patrol the body, which means they can be considered your body's military police, or MPs. The MPs are constantly on the lookout, in every organ in your body. Always moving, they crawl between the trillions of cells in all of your organs like an amoeba might crawl across a petri dish.
These bloblike, voracious eaters are searching for any invaders that might have sneaked into your body. When an MP encounters one, it will capture it, cut it up into a thousand tiny pieces, and then take the bits and show them around the body to let the other troops, such as the B cells, know exactly what the invader looks like.
Sound overly dramatic? Actually, it's quite close to the literal truth. When macrophages encounter an invader, they grab it with amoebalike fingers and engulf it, swallowing the invader whole so that it becomes a captive. The macrophage then releases enzymes to digest it, breaking it down into tiny bits. These little sections become pieces of proteins-small enough to be moved around but large enough to provide a unique "fingerprint" identifying the invader the MP just gobbled up and digested.
The MP next spits up these little digested bits of protein fingerprints and displays them on its own surface, similar to placing a "Wanted" poster for the rest of your immune system to see. Now the B cells move in, going up to that "Wanted" poster, or that piece of the invader, and learning its shape. They then build an antibody that suits the shape of the invader perfectly. This antibody can now recognize and attach itself to the invader the next time it comes into contact with it.
The B cells next start making millions and millions of copies of this antibody, releasing them into the bloodstream. They fl oat through our blood, and if they come into contact with one of these microbial invaders, the antibodies immediately attach themselves to it, triggering a series of events that will ultimately kill it.
Our B cells manufacture antibodies to exceptionally tight specifications so that the antibodies are specific to one particular germ. And the antibodies must be a perfect fit; otherwise, critical problems would result, the most important being that the antibody might not be properly able to recognize and neutralize the threat.
If, for instance, the antibody mistakenly grabbed onto your eye, you would go blind. If it grasped your brain, you'd suffer brain damage. As soon as antibodies take hold of something, a chain reaction is produced, and that thing will either be neutralized or killed.
Once a B cell learns to produce an antibody with the help of a macrophage, it retains the memory to produce that antibody forever. So in effect, that B cell is forever programmed to recognize a specific invader. If it ever encounters that invader again, the B cell will immediately begin producing millions of copies of its antibody, and will also reproduce itself thousands of times to create a force of so-called daughter cells. Each daughter cell also inherits the know-how to recognize that specific invader and to produce its specific antibody.
It is thought that B cells live anywhere from about a year to about six years. B cells reproduce themselves (by cell division) to maintain their collective memory, which is crucial for your very survival. And B cells can also multiply quickly in response to the recognition of a known threat. This ability to multiply helps build a formidable antibody response in the event a known invader gains entry into your body again.
There's a lot of brainpower in the B cells.
The other major group of lymphocytes is the T cells (T stands for thymus, the body organ in which they mature).
T cells look like B cells under a microscope-they are spherical, with a big nucleus and not much cytoplasm (the stuff that surrounds the nucleus). These T cells are the marines of your homeland security team. Just as every marine has a job classification, or a military occupational specialty (MOS), every T cell also has an MOS.
The T cells are divided into occupations such as helper T cells, suppressor T cells, and cytotoxic T cells. These are all very specialized functions, analogous to real marines assigned to the bomb squad, the recon team, and so forth. Some T cells (cytotoxic, or CD8, cells) attack invaders and infected cells directly, while others (helper, or CD4, cells and suppressor T cells) help regulate the immune response and keep it from becoming overactive. Cytotoxic (or cell-killing) T cells identify foreign organisms inside our cells and destroy those infected cells by recognizing changes in their surface proteins. They work in concert with the suppressor and helper T cells, which regulate the activity of the cytotoxic T cells.
Suppressor T cells help to regulate the immune reaction by preventing cytotoxic T cells from killing healthy cells. Helper, or CD4, T cells help cytotoxic cells kill infected cells. You may have heard of CD4 cells in the context of HIV infection, because these are the cells targeted by HIV (the human immunodeficiency virus). Low levels of CD4 cells signal a serious HIV infection.
Also important are specialized cells known as natural killer cells (NKs), which are assassins trained to destroy damaged, cancerous, or infected cells in the body. NK cells are similar to cytotoxic T cells but are more powerful.
Let's say you are exposed to a virus. One of the reasons viruses are so dangerous is that they don't just cruise around the tissue or blood and hide there, waiting for your body to destroy them. They actually creep inside your cells, and that means your body has to destroy some of its own cells if they become infected.
Once inside your cells, a virus messes with your DNA, tricking your cells into reproducing the virus by mingling its own DNA with yours. Then the virus uses your cells' DNA-processing system to replicate its own DNA too.
When a cell becomes infected with a virus in this way, the situation starts to resemble the scene from the science-fiction movie Alien in which the aliens, growing inside the characters' bodies, burst out, killing them.
Unfortunately, the only way to prevent the dangerous alien that is a virus from reproducing is to kill the newly infected cell. That's where the killer T cells come in. Natural killer cells sense a distress signal from the cells infected by a virus. The call may come from any type of cell-one that lines the nose or throat, or that resides in your intestines or in your skin.
When NK cells detect an infected cell, they use a special weapon to destroy it-a kind of plug that's injected into the cell membrane (the outside boundary of the cell). The plug, which has a small hole in it, is a protein called perforin. The NK cell then injects a substance called granzyme (or, more formally, exogenous serine protease) through the plug, which destroys the cell like a bomb.
That's how the natural killer cells work to destroy cells infected with viruses. Other parts of the immune system attack viruses directly, but natural killer T cells are those responsible for killing viral-infected cells, including the ones carrying HIV, which is why it's important to have a high count of NK cells in your blood.
Natural killer cells are involved in many search-and-destroy missions for our immune system. They're also important in killing cancerous cells that crop up in our bodies, ideally before they can grow into tumors. Cancer in the human body is not as rare as most people think; cancer cells are actually quite common. But for a number of reasons, most of these cells are never allowed to grow into tumors capable of killing us. One of the reasons for this is that the assassin-like NK cell snuffs them out before they have a chance to replicate.
Several therapies have been shown to increase NK activity, such as guided imagery, qigong, special breathing techniques, ginseng, and certain Chinese herbs.
Besides lymphocytes and macrophages, the third line of immune cells includes the blood-forming, or hematogenic, cells. Hematogenic cells are the cells from which our red blood cells, and many white blood cells, are produced. During a routine physical exam, your doctor probably performed a blood count, measuring the number and types of white blood cells seen in a drop of your blood. A high number (or high concentration) of white blood cells is usually a sign of some infection or stress on the body.
Many types of white blood cells are visible in a drop of blood. About half of them are known as neutrophils, aka polymorphonuclear cells, or polys for short.
I like calling these cells PMs, because that also stands for Pac- Man, the video game whose little creatures resemble PMs. Like Pac-Men, PMs sense invaders, chase after them, and once they've caught their quarry, they literally gobble them up.
Some of the other white blood cells include eosinophils, basophils, and monocytes. Each of these cells has its own specialized function. Eosinophils, for example, play a role in allergic reactions, as well as disorders like asthma. They are also involved in fighting off parasitic infestations.
As you know now, our immune system contains many specialized fighters possessing specialized weapons to deal with varied and sometimes uncommon threats. The ones mentioned above are just a few of the soldiers who are constantly fighting to keep your personal homeland safe. Right now, inside your body, they are all at work.
As discussed, one of the major duties of our body's homeland security system is border security, and it's a big border, including all of the surfaces that come into contact with the outside world. Invaders are constantly appearing, with the intent of not just looking around, but of doing us harm. Therefore, we need more than just a few cells of our immune system patrolling these borders.
This is where the so-called ALTs, or associated lymphoid tissues, enter the picture. ALTs are large clusters of immune cells located at fairly regular distances along our borders. For example, in the gut we have GALT (the gut-associated lymphoid tissue), which resembles thousands of strongholds positioned throughout the gut's lining, protecting the border between us and what's inside our gut.
The gut is an especially important border, not only because of its size (approximately the area of a tennis court when fully flattened), but also because of the constant barrage of bacteria and other microbes trying to break through it. The only barrier is a thin membrane a single cell thick.
Such a big assignment requires a large force, which is why the GALT alone accounts for about half of all the cells in our immune system. Most of these cells are T cells, but B cells, as well as macrophages, are also stationed in the GALT.
However, the borders of our homeland extend beyond the gut. There's also our skin, and the mucous membranes that line our nose, mouth, sinuses, throat, and lungs. Each of these boundaries needs its own defense force, so like the gut's GALT, we also have a SALT, a NALT, a TALT, and a BALT, whose acronyms stand for the skin-, nose-, throat- (or tonsils), and bronchial-associated lymphoid tissue. These aggregations of lymphoid tissue represent more than 70 percent of our immune system.
We've already seen a number of ways our immune system's cells can fight off threats. For example, an MP (macrophage) or a PM (poly) can gobble up a germ, or an NK (natural killer) can inject a granzyme grenade into an infected cell.
There are several additional ways the immune system kills off bodily threats, using more sophisticated tools that allow it to rid the body of more than one invader at a time. After all, if faced with an invasion by billions of enemies, hand-to-hand combat alone won't work.
One of these tools is a chemical weapon known as an antibody, which is produced by the B cells. Yet another process occurs when the antibody nabs its target. The same handle, or tail, that signals to the immune system that it's caught something also triggers the deployment of a system of chemical weapons known as the complement system.
The complement system is an exceedingly convoluted system of chemical warfare. In simple terms, think of the complement as something akin to an arsenal of nuclear weapons. The complement system is always present in our body, but its different components, of which there are at least thirty, are generally disassembled.
These complement components are produced mainly in the liver, but also by macrophages and other cells of the immune system. Separately, each of the complement components is harmless. But if the entire array is assembled, watch out! A nuclear reaction will take place.
The trigger for the complement construction transpires when those antibody pitchforks skewer so much prey it becomes clear additional help is needed. That critical level of battle initiates the assembly, or activation, of the complement system.
Activation of the complement system is one of the body's most impressive functions. Luckily, it is triggered only by severe issues, such as pneumococcal pneumonia or meningitis. It also occurs in organ transplantation-normally our immune system produces such a vigorous reaction to a transplanted organ that it causes organ rejection, which is why drugs must be given to suppress complement activation.
As in a nuclear reaction, once the complement system is activated, a process of events is triggered that is hard to stop and usually results in the death of the invaders.
That destruction takes the form of leaking capillaries, swelling, accumulation of lymph fluid, and the release of distress signals that attract even more fighters from all over the body, as well as the release of pyrogens (chemicals that raise body temperature, causing a fever) and general deployment of all available weapons, including nitric oxide and free radicals.
This entire process makes you feel very sick. If it continues, due to an overwhelming threat, it can lead to shock, organ failure, and death. Complement activation is therefore generally reserved for only the most serious circumstances.
The final part of the homeland security detail you need to appreciate is the communications link.
For a battle in the outside world to go well, good communications are required: satellites, cell phones, radios, and microwave systems all communicate strategies as well as locate the enemy so it can be outflanked.
Your body has a similar kind of communications system.
The main category of communications devices is composed of the cytokines, of which more than one hundred have been discovered. Cytokines are proteins-such as interleukins, interferons, TNFs (tumor necrosis factors), pyrogens, and shock proteins-that send signals through your body to distant parts of the immune system.
Let's say you develop an ingrown toenail. First the Pac-Men engage with the enemy in the toe. But if they discover, say, an infection too powerful for them to fight on their own, they send out a message through the bloodstream that acts as both a distress and a homing signal, calling for reinforcements to the toe. This signal goes out in the form of cytokines.
Cytokines tell the rest of the immune cells where to go, and they follow the cytokines' scent just as a bloodhound sniffs out a trail, leading them right to the toe where the infection is wreaking havoc.
Drug companies are constantly researching cytokines and how to turn them on or off to treat different conditions. Cytokines are used to treat some infectious diseases, such as hepatitis, which is caused by a virus. For example, people are given interferon treatments if they are infected with hepatitis C. In autoimmune diseases such as rheumatoid arthritis or colitis, cytokine blockers including Enbrel, Humira, and Remicade are used to block the effects of the cytokines activating the immune system.
The immune system is so complicated that it would take volumes to explain all its details. But this brief introduction should provide you with a basic understanding. Knowing how your immune system operates can save your life-the more you know about it, the better you will treat it, and, in return, the better it will treat you.© 2007 by Mark Liponis, MD
Meet the Author
Mark Liponis, M.D., is the medical director of the Canyon Ranch Spa in all its locations. He is the coauthor of New York Times bestseller Ultraprevention, which won the 2003 Books for a Better Life Award in the health category. He is also a regular contributor to Parade and its new magazine, Health Styles.
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