People with high-functioning autism respond to others' pain, two studies show.

Boys with attention-deficit hyperactivity disorder who take prescribed stimulant medication don't become more likely to abuse drugs than boys who don't receive the medication.

Individual-specific DNA deletions and duplications, many located in genes involved in brain development, occur in an unusually large percentage of people with schizophrenia.

The older we get, the fewer doctors there are to attend to our frailties.

Cell phone data shows that people's daily roaming follows statistical patterns also seen in predators.

Researchers are beginning to identify neural components of insightful problem solving, though no scientific consensus exists on how the brain mediates "light-bulb" or "Aha!" moments.

The purchase price is often but a small part of the true cost of many animal products in the diet.