(HealthDay News) -- If you must wear a cast or splint to protect an injury, it's important to care for it properly while you heal.

(HealthDay News) -- Walking is a great form of exercise, especially for people who are overweight and don't particularly like to do pushups or jumping jacks.

WEDNESDAY, Feb. 6 (HealthDay News) -- The ancient Chinese discipline of Tai Chi may help modern-day stroke patients avoid debilitating falls, a small new study suggests.

WEDNESDAY, Feb. 6 (HealthDay News) -- Complications such as narrowed blood vessels and increased pressure in the brain are common among U.S. soldiers who have suffered a traumatic brain injury, a new study reports.

WEDNESDAY, Feb. 6 (HealthDay News) -- Pregnant women exposed to particulate air pollution -- commonly known as smog -- have a significantly greater risk of having a baby with a low birth weight, according to a large new international study.

WEDNESDAY, Feb. 6 (HealthDay News) -- Smoking pot may double a young adult's risk for stroke, new research suggests, but experts point out the study is small and not conclusive.

WEDNESDAY, Feb. 6 (HealthDay News) -- Enduring dietary wisdom -- that polyunsaturated vegetable fats are better for your heart than saturated animal fats -- may be turned on its head by a fresh analysis of a nearly 50-year-old study.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay: