In people age 65 and older, simply walking regularly or engaging in other moderate exercise can reduce dementia risk, a new Italian study finds.

For many people, heightened expectations, financial and social stress, and memories of lost loved ones can cause tension, anxiety and sadness.

When thoughts of death intrude, the human mind isn't paralyzed with negativity or fear. Instead, the brain instinctively moves toward happier notions and images, a new study suggests.

Almost half of Chicago internists say they have prescribed a placebo to a patient during their years of practice, a new study finds.

For girls, especially, having friends of the opposite sex during adolescence can raise the likelihood for alcohol use.