One's blood pressure status in middle age may predict future mental decline. New research suggests the onset of hypertension causes differing forms of cognitive damage.

Most of two dozen Parkinson's patients who have received dopamine fetal stem cell transplants have experienced an improvement of symptoms, researchers say.

Though told otherwise for decades, Americans are advised to consume a ketogenic-inspired diet high in fats and low in carbs.

Medical marijuana advocates recently began targeting Congressional holdouts who oppose the drug, and voted against a DEA bill that would block their ability to penalize state-legal marijuana businesses.

The enduring popularity of Tetris on the video game's 30th birthday — dubbed World Tetris Day by supporters — testifies to the human desire for order, at least one psychologist says.

Hours after a near-drowning mishap, children may experience coughing and trouble breathing after pulling water into the lungs; parents are advised to take children to the emergency room when such symptoms present.

Artificial vision continues to take shape as developers advance a technique using electrical stimulation of retinal cells with an increasing precision.

New research shows a family of immunological genes may allow mutations leading to cancer induced by human papillomavirus.

A higher likelihood of complications and excessive pain for children after tonsillectomy comes with higher levels of exposure to secondhand tobacco smoke as well as poisonous gas from coal-burning stoves.

Two common male birth defects to the reproductive tract are the result of changes to a single gene, researchers from Baylor College say.

The brain's capacity for memory may be as simple as a light switch, researchers found, after shining a laser into a rat's brain.

New discoveries about how population-wide genetics affect individual tastes and food preferences may soon bring personalized nutrition plans to the table.