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In one study, people who ate near a heavier dining companion served themselves lots more food. Researchers say a fellow diner's weight is just one of many subconscious cues influencing what we eat.

Having a full-blown stroke can cause post-traumatic stress disorder, and that's also true for tiny strokes called TIAs, a study finds. Worry over future stroke risk may be a factor.

What happens in the brain during musical improv? Researcher Charles Limb scanned the brains of jazz musicians to find out.

There will be fewer plans to pick from this time around. But people can still expect plenty of options for prescriptions drugs and privately run insurance through Medicare Advantage.

Several dozen children in California and Colorado have suffered paralyzed limbs, which doctors speculate could be caused by the respiratory virus EV-68. But we're a long way from knowing for sure.

Virus hunter Joseph Fair speaks about the needs and challenges ahead for containing the outbreak, and why he thinks things will get worse before they get better.

Dallas County Judge Clay Jenkins said they want to provide the man with a "compassionate place where we can monitor him and care for his every need."

Health officials are looking to those who have recovered from Ebola to treat new cases. The World Health Organization hopes to find antibodies in the blood of people who have fought off the virus.

Liz Paul has struggled with her weight for years. A diet group helps, but it only meets once a week. So she has turned to social media for daily feedback and support. Studies find it can help.

People who have lost significant weight are uneasy about revealing that in online dating profiles, because obesity is often judged as a moral failing. Research shows they have good reason to worry.