An Apple A Day

Eat salmon. It’s full of good omega-3 fats. Don’t eat salmon. It’s full of PCBs and mercury. Eat more veggies. They’re full of good antioxidants. Don’t eat more veggies. The pesticides will give you cancer.

Forget your dinner jacket and put on your lab coat: you have to be a nutritional scientist these days before you sit down to eat—which is why we need Dr. Joe Schwarcz, the expert who’s famous for connecting chemistry to everyday life. In An Apple a Day, he’s taken his thorough knowledge ...