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

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.

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

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

There are two main types of eye doctors: ophthalmologists and optometrists. Confused about which is which and who does what? Here's a look at how they're different. Ophthalmologists and optometrists ...

Coffee starts out healthy, but sugar and flavored sweeteners add fat, calories, and a higher risk of heart disease. Aim for 1 teaspoon of sugar (or less) per cup, of the 6 (women) or 9 (men) teaspoons ...

Even though the experience of pain varies from one person to the next, it is possible to categorize the different types of pain. Neuropathic pain is often described as a shooting or burning pain. It ...

There are two main types of ginseng: Asian or Korean ginseng (Panax ginseng) and American ginseng (Panax quinquefolius). Studies show that different types have different benefits. In traditional ...

Masturbation is a very natural and healthy part of childhood. And it can start at a younger age than you might think. "It's the beginning of a lifelong learning experience about their bodies and, ...

How Does Menopause Affect Sex Drive? The loss of estrogen and testosterone following menopause can lead to changes in a woman's body and sexual drive. Menopausal and postmenopausal women may notice ...

As the opioid crisis has evolved from prescription painkillers to illicit fentanyl, new data reveals that older adults are ...

What Does the Research Say About Cannabis? Also known as marijuana, there’s growing interest in the health benefits of cannabis, specifically cannabis compounds. Two cannabinoids that get a lot of ...