Learn more about how stress and depression are connected and what you can do to develop an active coping strategy.

Narcolepsy attacks can come and go. How well you sleep at night might affect how often you have bouts of extreme sleepiness during the day.

A new Kaiser Family Foundation (KFF) poll reveals nothing sways a vaccine-hesitant person more than a word with a family member, friend or their own doctor.

Pfizer Inc. has agreed to pay $345 million in a proposed settlement to resolve lawsuits over steep EpiPen price increases.

On the field of play, Olympic athletes appear to be superhuman -- stronger, faster, and fitter than the rest of us -- and in picture-perfect health. But off the field, the reality is not so simple.

That flash of familiarity we feel when we see someone we know appears to be coming from a part of the brain that is working for this sole purpose, say scientists who discovered a new class of cells.

Which situations trigger your depression symptoms? Learn how to recognize and cope with depression triggers.

As temperatures across the U.S. surge to historic -- and deadly -- levels, experts recommend knowing the signs and symptoms of heat illness.

In many cases, their parents may not support that decision.