Bad Medicine

Recreational marijuana use is becoming increasingly legal across the U.S., but that doesn't mean that it's safe.

You'd be hard-pressed to find someone to say something good about Salmonella...

Researchers have found a way to short-circuit the "immortality switch" that cancer cells use to divide indefinitely.

The promise of CRISPR is being realized today in the lab through the creation of special animal models and cell lines. And the technology is finally entering the clinic to treat humans directly.

Scientists have found how aspirin might help prevent Alzheimer's disease by helping cells clear the debris that leads to amyloid plaque formation.

Any physical exercise will improve thinking, as long as you do it somewhat consistently and stick with it long enough, according to an analysis of 98 previous studies.

Why are infections from the viruses that cause West Nile fever, dengue and even Zika deadly for some people but mild in others?

Could your pee reveal your youth?

There may come a day when humans take on the form of cyborgs with integrated, robotic parts to enhance our abilities. But long before that, look for "biohybrid" robots...

WASHINGTON — Humans and many other animals express a range of social behaviors, from cooperation to aggression.

Want to follow conversations better in a noisy restaurant or bar? There soon may be an app for that.

Have you ever struggled to open a stubborn package? If so, that may be a good thing…if your baby is watching.

The gut microbiome of the hunter-gatherer Hadza people is very different from that of Americans, varying with diet and season, and that's likely good for the Hadza ... and bad for Americans.

Consider it another strike against not getting enough sleep...

The mantra to "complete the course" for antibiotics is wrong and possibly dangerous, scientists say.

The idea that gut bacteria can either be "good" or "bad" may not tell the whole story.

In the most detailed study to date comparing the muscles of chimps and humans, researchers found that chimps are 1.35 times more powerful than people.