Body Signs: From Warning Signs to False Alarms... How to Be Your Own Diagnostic Detective

Overview


From brittle hair to hair in all the wrong places, a tingling tush, mismatched eyes, streaked nails, inverted nipples, and excessive flatulence, to name just a few, the body supplies endless signs regarding its state of health and wellness. When are these harmless and when is a visit to the doctor’s office in order? Drawn from cutting-edge research and the latest scientific literature, and vetted by a panel of medical experts, this fascinating guide covers every body part from ...
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Overview


From brittle hair to hair in all the wrong places, a tingling tush, mismatched eyes, streaked nails, inverted nipples, and excessive flatulence, to name just a few, the body supplies endless signs regarding its state of health and wellness. When are these harmless and when is a visit to the doctor’s office in order? Drawn from cutting-edge research and the latest scientific literature, and vetted by a panel of medical experts, this fascinating guide covers every body part from head to toe to help you decode the often mysterious messages your body sends you.
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Editorial Reviews

From the Publisher
"Lively and engagingly written, Body Signs is the perfect book for people fascinated by how the human body works. Read it and you'll know what to worry about and what to ignore."—Barbara Kantrowitz, co-author of Is It Hot in Here? Or Is It Me? The Complete Guide to Menopause

"Body Signs is indispensable. It's the ultimate catalog of our bodies' quirks, symptoms, and trouble spots—and a valuable guide to telling the amusing from the alarming. Written in a calm, clear voice, it's often funny, always informative, and potentially life-saving."—Joel Gurin, former Editorial Director, Consumer Reports

"Body Signs is an exceptionally well written and topical book on health. I found it chock-full of informative and interesting tidbits, substantiated by scientific research. The book is easy to read and has something to offer for everyone. I certainly learnt some fascinating medical facts! "—Gayatri Devi, MD Clinical Associate Professor of Neurology and Psychiatry, NYU School of Medicine; President, National Council on Women's Health 

“Packed with information, a handy and entertaining resource that fulfills its mission ‘to alert you, warn you, and maybe even scare you into going to the doctor…and save you the time, expense and anxiety of going’ when one isn’t needed.” —Publishers Weekly

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Product Details

  • ISBN-13: 9780553384314
  • Publisher: Random House Publishing Group
  • Publication date: 2/24/2009
  • Edition description: Reprint
  • Pages: 336
  • Sales rank: 464,346
  • Product dimensions: 5.90 (w) x 8.80 (h) x 0.70 (d)

Meet the Author

Joan Liebmann-Smith, Ph.D. is a medical sociologist and award-winning medical writer. Her articles have appeared in American Health, Ms., Newsweek, Redbook, Self, and Vogue, and she has appeared on numerous television talk shows, including The Oprah Winfrey Show and The Today Show. She has a daughter, Rebecca, a cat, Fazelnut, and lives with her husband, Richard—also a writer—in New York City.

Jacqueline Nardi Egan is a medical journalist who specializes in developing and writing educational programs with and for physicians, allied health professionals, patients, and consumers. She is also a former medical editor of Family Health magazine. She has a daughter, Elizabeth, two dogs, Coco and Abby, and divides her time between Darien, Connecticut, and Sag Harbor, New York.

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Read an Excerpt

Chapter One
Your Hair
The Long and the Short of It

Hair defines us like no other part of the human body. It conveys to others an enormous amount of information: our age, gender, ethnicity, social status, religious and other group affiliations, personal hygiene habits, and—last but not least—our state of health. Yet the assumptions some people make based on our hair may be as false as their eyelashes. We can cover the gray, making us appear years younger; cut our hair very short or let it grow very long, making it difficult to determine our gender; or straighten curly hair or curl straight hair, making our ethnicity anyone's guess. And by adopting the hairstyles of the rich and famous, we can look like we're to the manor born when we may be struggling to make (split) ends meet.

Hair is overflowing with sexual symbolism and cultural significance. People in many parts of the world routinely—if not religiously—cover or remove it. English barristers, for example, wear wigs in court. Muslim and Orthodox Jewish women are required to cover their heads. And not only do Buddhists and some Christian monks shave their heads, but skinheads do as well.

While we're busy sending messages to the outside world by covering, cropping, curling, or coloring our hair, we should also pay attention to the messages it's sending us. Our untouched, natural hair can give us a headful of vital information that we should carefully read and heed. Your age, sex, and race, as well as where you live and the hair products you use, all affect your hair's mineral makeup.
Hair contains a myriad of minerals, from aluminum to zinc, and for many years hair analysis has been used to confirm mercury and arsenic poisoning. More recently, researchers have been able to diagnose eating disorders from hair samples.

Indeed, the quality, quantity, and color of our hair can all be signs of our physical well-being. No wonder hair is said to be a barometer of health.

Starting at the top
Hair texture changes

Hair is made up mostly of dead protein (keratin), but that doesn't mean it's supposed to lie there listlessly. Dry, brittle hair and split ends can all be signs that you're mistreating your hair with excessive washing, brushing, drying, dyeing, or bleaching. However, these hair shaft disorders, as they're called, can also be signs of stress, hormonal changes, nutritional deficiencies, and thyroid disease.

If you notice, for example, that your formerly luxuriant locks tangle easily or have become dry, brittle, or coarse, don't be so quick to rush off and buy the latest expensive new hair product. You may, in fact, have the classic signs of hypothyroidism—a fairly common but often underdiagnosed condition, especially among women. (See Appendix I.) When the thyroid gland, which regulates metabolism, fails to produce enough thyroid hormone, hair growth—as well as other body functions—slows down. Hair texture change can signal iodine deficiency as well, which is also implicated in thyroid disease. (See Chapter 6.)

Of course, texture changes may merely be an indicator of the natural hormone changes of pregnancy or menopause. During pregnancy, dry hair may become oilier or shinier, while oily hair can become drier and duller. Previously curly hair may become straighter and straight hair curlier. Hair may even become thicker, but this is due to the slowing down of normal hair loss that typically occurs in pregnancy rather than the thickening of individual hairs. (See Hair Loss in Women, below.)
During menopause, when estrogen levels drop, many women notice that their hair lacks softness and luster. The estrogen loss can cause hair shafts to thin and dry out, so new hairs will be duller and less manageable. New hair growth also tapers off
.
Both hair texture change and hair loss are also common reactions to chemotherapy or radiation treatment for cancer. The good news is that both these changes are usually temporary.

Hair color changes

Hair color, like eye and skin color, depends primarily on how much melanin (color-producing pigments) we inherit from our parents.

If your hair color changes and you haven't been hitting the bleach or hair dye bottle, it can be a sign of a variety of factors, both internal and external. For example, hair color—like hair texture—can change temporarily after chemotherapy. A blonde may become dismayed to find her hair growing in dark brown or black, while a former brunette may be thrilled to find that she's become a blonde. Hair color changes can also signal genetic, metabolic, nutritional, or other disorders. They can even be the result of environmental factors.

Green Hair

Many of us look forward to our hair getting lighter from the summer sun. But if your hair looks more green than platinum, it's not the sun's fault. It's more likely to be a tip-off that your swimming pool is heavily chlorinated, or that copper from water pipes is seeping into your pool water. In fact, green hair used to be fairly common among copper- and brassworkers.

If you haven't been swimming lately, your sea-green hair can be a sign that you enjoy bathing in a tub that's been cleaned with chlorine-containing products. If your green hair doesn't seem related to swimming or bathing, it could be a more serious sign of excess exposure to mercury, which can cause neurological, muscular, sensory, and cognitive damage.

Striped Hair

Green hair may be medically unimportant, but striped hair is not. Known as the flag sign, the striped hair is actually bands of discolored or depigmented hair. The stripes—usually blond, gray, or reddish—are often red flags for severe nutritional deficiencies, for example, of protein or iron. Although much more common in underdeveloped countries, the flag sign can be seen in children living in poverty throughout the world.

Striped hair can also signal ulcerative colitis or other conditions or events that deplete protein, such as irritable bowel syndrome (see Chapter 8) or extensive bowel surgery. It might also be a telltale sign of the eating disorder anorexia nervosa, which depletes a person's protein supply.

Prematurely Gray Hair

When most people's hair turns gray, it's usually a normal—albeit not very welcome—sign of aging. As we age, we produce less melanin, the pigment that gives our hair and skin its color. But when your hair turns gray before its time, it can be a harmless, hereditary condition—or a warning sign that something is wrong. The definition of premature graying—medically known as canities—varies among doctors. Some define it as having half a head of gray hair by age 40; others say it's the graying of hair before the age of 20 in whites and before 30 in blacks.

Some people with prematurely gray hair may unknowingly suffer from pernicious anemia, a severe form of anemia in which there is a reduction of red blood cells caused by the body's inability to absorb vitamin B12. Pernicious anemia is commonly found in older adults. Other common signs of pernicious anemia include paleness, weakness, mouth and tongue problems, tingling and numbness in hands and feet, and an unsteady gait. If untreated, it can cause serious gastrointestinal or neurological problems. The good news is that not only is it treated easily, but hair often returns to its natural color.

Early graying can also signal various autoimmune disorders, including Graves' disease, the most common form of hyperthyroidism (see Appendix I). A recent Irish study has identified prematurely gray hair as a sign of low bone mineral density (osteopenia) in women with Graves' disease. Another autoimmune disorder signaled by premature graying, as well as by white patches on the skin, is vitiligo, (see Chapter 9), which is a benign condition. However, 1 in 3 people with vitiligo also suffers from thyroid disease.

Another autoimmune condition, alopecia areata, which is characterized by patchy hair loss, is sometimes spotted in young people with gray hair. (See Spotty or Patchy Hair Loss, below.)
There is also some disquieting new evidence that prematurely gray hair can be an early warning sign of diabetes, coronary heart disease (CHD), and an increased risk of heart attack (myocardial infarction).

Many people think having prematurely gray hair is a sign of stress, and there's some truth to this. One theory is that stress can precipitate autoimmune diseases or the other conditions mentioned above that can cause graying.

Hair Turning White Overnight

While stress may play a role in turning your hair gray, it can't do it overnight. Marie Antoinette's and Sir Thomas More's hair were said to have turned completely white the night before they were beheaded. Despite these and other historical anecdotes, no medical evidence exists that hair can turn white or gray so quickly. Once hair is produced in the hair follicles, individual hairs can't change color. The root of these anecdotes may be diffuse alopecia areata, a condition that is sometimes triggered by stress and causes a lot of hair to fall out very quickly. (See Hair Shedding, below.) If a person with a mixture of gray and pigmented hairs has this condition, the pigmented hairs are the most likely to be shed, leaving behind only the gray or white hair.

Losing it

Our head hair grows about half an inch per month. About 90% of our hair is in this growing (anagen) phase at any one time, which can last from two to six years. The rest is in the resting (telogen) phase, which lasts about two to three months. Then it falls out. On average, our scalps drop about 50 to 100 hairs each day. The exact number usually depends on factors we can't control—heredity, age, gender, and ethnicity. Whether it falls out in clumps or gradually, most of us will experience some hair loss over the course of our lifetimes. By age 50, more than half of women will have lost some locks. But the news is even worse for men. Fully 75% will have lost some hair, and 25% will be bald by that same age.

Spotty or patchy hair loss

If you notice patches of hair missing from your head, it may be a sign of alopecia areata. This is an autoimmune disorder in which the body's white blood cells attack the hair follicles, causing them to stop growing hair. But it's not just scalp hair that can be affected.

Some people lose hair all over their bodies—a condition medically known as alopecia universalis. Some mild forms of the different types of alopecia are amenable to treatment. And sometimes the hair even regrows without any outside help. The bad news is that people with alopecia often have or may develop other autoimmune diseases, especially thyroid disease, diabetes, and rheumatoid arthritis.

Patches of missing hair can also signal trichotillomania, in which people compulsively pull out their head hair or even their eyelashes. This behavioral condition, which is found in 3 to 5% of the U.S. population, is more likely to affect children than adults, but it can occur at any age. It's occasionally mistaken for alopecia areata, but the distinguishing sign of trichotillomania is broken hairs, often of differing lengths. Some hairs also remain in the bald spots. People with this condition often display signs of psychological problems, including depression, anxiety, obsessive-compulsive behavior, and Tourette syndrome, a neurological disorder that usually starts in childhood and has the hallmark signs of motor and vocal tics. Trichotillomania occasionally runs in families. Indeed, researchers recently found two mutated genes that may be responsible in some cases.

If you have spotty hair loss, your body may also be sending you a strong message that you're overtreating, overbrushing, or overdyeing your hair. Loss of hair because of this is medically known as traumatic alopecia. This is a good example of why you should not listen to old wives' tales about brushing your hair 100 strokes a day. Although your hair may shine more, it may also fall out! Sporting tight ponytails, cornrows, or braids can cause hair breakage and loss as well.

Spotty hair loss may signal a condition called cicatricial or scarring alopecia, in which the follicles are destroyed and replaced by scar tissue. Unfortunately, hair won't grow back with this type of hair loss. Scarring alopecia can be the result of a burn, a physical injury, or anything that can cause a scar elsewhere on the body. It can also be a sign of bacterial and fungal infections—including the dreaded ringworm—and various other skin diseases, such as discoid lupus erythematosus, an autoimmune disorder primarily affecting young women. Unlike the more common (systemic) form of lupus (see Chapter 9 and Appendix I), which involves many parts of the body, discoid lupus affects only the skin, resulting in scarring and hair loss.

Balding in men

If you're a young man and going bald, you may freak out, fearing that you're losing your virility along with your locks. But your balding head is more likely just an unwelcome legacy from a long line of shiny-pated men on either your father's or mother's side. Male-pattern baldness, medically known as androgenetic alopecia, is nothing to worry about, at least medically. It's a genetic condition caused by excess androgens. (Women also have androgens but in lesser amounts.)

However, a recent study of men in their mid-forties with male-pattern baldness found that those with frontal baldness had a slightly increased chance of developing coronary heart disease (CHD) compared with men with no hair loss. Those with hairless crowns (known as vertex baldness) were significantly more likely than their hairy counterparts to develop CHD. The bigger the bald spot, the bigger the risk. Men who were bald on top and also had high cholesterol or high blood pressure were at highest risk.

Hair loss in women

When you part your hair, does it remind you of the parting of the Red Sea? Seeing your scalp shining through can be a sign of female-pattern baldness. Like male-pattern baldness, it is medically known as androgenetic alopecia and can be inherited from either parent. Because of the connection to androgens, female-pattern baldness can be the first warning sign of a type of diabetes that's related to excess androgens.

However, the pattern of balding in women is different than in men. Women are more likely to have thinning head hair rather than the completely bald patches or receding hairlines that are the hallmarks of male-pattern baldness.

Hair loss in women can also be a normal sign of aging and hormonal changes, especially after childbirth and during menopause. Many women experience hair loss a few months after they stop taking birth control pills or hormone replacement therapy. Interestingly, hair loss slows and hair growth accelerates during pregnancy. The result: a fuller- and thicker-looking head of hair. Unfortunately, this windfall doesn't last; three to four months after a woman gives birth, the extra hairs shed rapidly. The good news is that hair growth will return to normal and the new moms will once again have full heads of hair, probably by the time their babies do.

Hair shedding

A ton of hair on the shower floor, in your brush, or on your pillow is not a pretty sight. Medically known as sudden, diffuse hair loss or telogen effluvium, it's the second most common form of hair loss. (Male-pattern baldness takes top place.) In this condition the hairs in the growing (anagen) phase prematurely go into the resting (telogen) phase. (See Losing It, above.) The result: more hairs than usual are cast off. And, as its name implies, the shedding occurs all over the scalp, rather than following a typical pattern of baldness.

From the Hardcover edition.

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Table of Contents

Acknowledgments ix

Introduction 1

Body Signs Panel of Medical Experts 13

Chapter 1 Your Hair: The Long and the Short of it 17

Hair Texture Changes

Hair Color Changes

Spotty or Patchy Hair Loss

Balding in Men

Hair Loss in Women

Hair Shedding

Born (Hair) Free

Losing Eyebrows or Eyelashes

Losing Chest and Body Hair

Losing Pubic Hair

Hair in All the Wrong Places

Very Hairy Men

Chapter 2 Reading Your Eyes 39

Circles Under the Eyes

Bags Under the Eyes

Creases Under The Eyes

Droopy Eyelids

Bulging Eyes

Inside-out Eyelids

Growths on the Eyelid

Lumps and Bumps on the Eyeball

Bloodshot Eyes

Yellow Eyes

Spots on the Eyes

Rings Around the Iris

Different-Sized Pupils

Eye Color

Tears

Eye Twitches

Darting Eyes

Floaters

Flashes

Phantom Visions

Light Sensitivity

Night Blindness

Color-Vision Changes

Chapter 3 Listening to your Ears 67

Red Ears

Earlobe Crease

Misshapen Ears

Too Much Earwax

Watery Ear Discharge

Itchy Ears

Stuffy Ears

Ringing in Your Ears

Hearing Your Heartbeat

Sensitivity to Sound

Hearing a Loud Explosion When Sleeping

Hearing Sounds That Others Don't

Gradual Hearing Loss

Sudden Hearing Loss

Chapter 4 Your Nose Knows 83

A Red Nose A Bulbous Nose

A Crease over the Nose

Sun Sneezing

Inability to Sneeze

Snoring

A Very Runny Nose

A Dry Nose

A Smelly Nose

Smelling Problems

Chapter 5 Read my lips...and mouth 99

Puffy Lips

Pursed Lips

Dry, Cracked Lips

Blue Lips

Burning, Tingling Lips or Mouth

Lip or Mouth Freckles

White or Gray Patches in Your Mouth

White Streaks in the Mouth

Red or Swollen Gums

A Bump or Hole on the Roof of Your Mouth

A DryMouth or Excessive Thirst

Watery Mouth

Black Hairy Tongue

White Hairy Tongue

Beefy Red Tongue

Groovy Tongue

A Smooth Tongue

Traveling Tongue Patches

Twitchy Tongue

Diminished or Distorted Sense of Taste

A Metallic or Terrible Taste

Supersensitive Taste

Sweet, Fruity Breath

Garlic Breath

Urine- or Ammonia-Smelling Breath

Fishy Breath

Fecal Breath

Yellow-Brown Teeth

Greenish or Metallic-Colored Teeth

Bluish Gray Teeth

Spotted Teeth

Blackish Teeth

Indented or Notched Teeth

Smooth, Glassy-Looking Teeth

Cracked Teeth

Chapter 6 Telling the Truth: Your Throat, Voice, Neck, and Jaw 129

Lumps on the Front of the Neck

Lumps Elsewhere on the Neck

A Lump in the Throat

A Lump on the Jaw

Clicking Jaw

Stiff Jaw

Receding or Thrusting Chin

Frequent Yawning

Excessive Hiccupping

Chronic Coughing

Colored Phlegm

A Hoarse, Raspy Voice

A Sporadically Hoarse Voice

Frequent Throat Clearing

Trembly Voice

Slurred Speech

Suddenly Speaking with a Foreign Accent

Speaking Too Loudly or Too Softly

Chapter 7 The Main Body of Evidence: Your Torso and Extremities 151

Mismatched Breasts

A Lump in the Breast

Lumpy Breasts

Swollen, Discolored Breasts

Enlarged Breasts in Men

Extra Breasts

Triple Nipples

Inverted Nipples

Crusty Nipples

Leaky Nipples

Apple-Shaped Body

Sudden or Unexplained Weight Change

Shrinking

Curved Back

Hunched Back

Unsteadiness

Stiff, Rigid Gait

Double-Jointedness

Stiff Joints

Creaky Knees

Being Left-Handed

Knobby Knuckles

Club-Like Fingers

Curled Fingers

Bump on the Wrist or Hand

Twisted Toes

A Bump on Your Heel

Body Tingling and Numbness

Numb or Tingly Extremities

That Funny-Bone Feeling

Tingly, Numb Fingers

Tingly, Numb Feet

Night Jerks

Jittery Legs

Leg Cramps During the Night

Leg Cramps During the Day

Tremors

Feeling Your Heart Beat

Cold Hands and Feet

Feeling Cold All Over

Feeling Hot When It's Not

Chapter 8 Private Parts, Farts, and Body Wastes 195

Crooked Penis

A Prolonged Erection

Spotted Penis

Scrotal Swelling

A Swollen Penis Head

A Lump on the Testicle

Red Ejaculate

Penile Discharge

Vaginal Farts

Vaginal Discharge

A Gurgling Stomach

Excessive Burping

Frequent Farting

Feeling Bloated

Green Stools

Orange Stools

Red or Maroon Stools

Black, Tarry Stools

Pale Poop

Floating Feces

Greasy, Smelly Stools

Slimy Stools

Skinny Stools

Colored Urine

Smelly Urine

Sweet Pee

Foamy Urine

Cloudy Urine

Frequent Urination

Leaking Urine

Profuse Perspiration

Night Sweats

No Sweat

Smelly Sweat

Chapter 9 Scratching the Surface: Your Nails and Skin 239

Changing Nail Colors

Strange Markings

Misshapen Nails

Texture Transformations

Unusual Skin Colors

Facial Marks and Masks

Body Patches and Patterns

Spots and Veins

Visible Veins

Lumps and Bumps

Texture Changes

Appendix I Body Signs Review: Multisystem Diseases and Their Signs 283

Appendix II Body of Resources: Recommended Websites and Books 293

Appendix III My Body Signs Checkup Checklist 299

Index 305

About the Authors 321

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