High blood levels of lead can be harmful, and recent headlines suggest the heavy metal has gotten ingo our food supply. Knowledge is your best defense – here's what the science and the experts say.

Circadian researchers explain why a single hour can rattle your body, and the simple steps that streamline the switch.

Later, I learned that circadian rhythm disorders are very common in bipolar disorder. The condition disrupts the body’s sleep ...

A new drug combination cuts the risk of death in people with advanced prostate cancer by 40% over eight years, according to ...

A man may ejaculate 40 million to 150 million sperm, which start swimming upstream toward the fallopian tubes on their mission to fertilize an egg. Fast-swimming sperm can reach the egg in a half an ...

You turn off the lights and get yourself ready to snooze. Are you on your back, side, or stomach? Though there is no strong science connecting your sleep position to things like back pain, snoring, ...

A piece of fruit can be a good way to satisfy your sweet tooth, but they’re not all created equal. WebMD shows you which fruits have the most -- and least -- sugar.

These little juicy gems have lots of phytonutrients that may fight inflammation and lessen pain. If it's not berry season, frozen blueberries can have the same or even more nutrients than fresh. Other ...

Your cholesterol levels tell your doctor about the fats in your blood. Unhealthy levels are linked to hardening of the arteries, which can cause heart disease, heart attacks, and strokes. Your numbers ...

Chemotherapy -- a treatment for cancer that uses strong drugs -- can lead to what’s sometimes called “chemo brain.” You may have trouble remembering details like names or dates, have a hard time multi ...

You may be in it for the caffeine, but coffee is full of antioxidants. One cup has 200-550 milligrams of antioxidants, including chlorogenic acid, a compound that helps your body process fat and sugar ...

No doubt about it, protein is good for you – and can even help you shed those unwanted pounds. But (and you knew there was a "but," right?), it's important to eat the right amount and the right kind ...