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

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, ...

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 ...

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 hysteroscopy is a procedure doctors use to diagnose and treat conditions involving the uterus and cervix, such as abnormal uterine bleeding, abnormal endometrial thickening, bleeding after menopause ...

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

Playing a wide range of roles demands a high level of emotional and physical commitment. Theater roles are a great workout, ...

Exercise can help your pain, but it hurts to exercise. Done strategically, however, movement can reshape the way your body ...

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 ...

When you eat a healthy meal, you expect your body to reap the benefits of the vitamins and minerals. But a condition called malabsorption syndrome means your body isn’t able to take in many of the ...

As we get older, our skin undergoes a number of changes. How skin ages will depend on several factors: your lifestyle, diet, heredity, and other personal habits (such as smoking). Sun exposure is the ...