Health Tip: Cleaning Baby Bottles

(HealthDay News) -- Sterilizing baby bottles between feedings can help kill germs lurking inside.

Health Tip: Returning to Normal After Hip Replacement

(HealthDay News) -- After hip replacement, it's important to allow your hip to heal, returning gradually to normal activities.

Breast-Density Changes May Be Tied to Cancer Risk: Study

TUESDAY, Dec. 3, 2013 (HealthDay News) -- Breast cancer risk in women may be tied to the rate at which their breast-tissue density changes as they age, a new study suggests.

Mother's Smoking, Early Birth May Raise ADHD Risk in Children

TUESDAY, Dec. 3, 2013 (HealthDay News) -- A new study from Australia sheds more light on what environmental factors might raise the risk for attention-deficit/hyperactivity disorder (ADHD).

Mild Heart Disease May Pose Equal Risks for Men and Women

TUESDAY, Dec. 3, 2013 (HealthDay News) -- Men and women with mild heart disease share the same risks, at least over the short term, a new study suggests.

Ecstasy Use on Rise Again Among U.S. Teens: Report

TUESDAY, Dec. 3, 2013 (HealthDay News) -- The number of U.S. teens who wind up in the emergency room after taking the club drug Ecstasy has more than doubled in recent years, raising concerns that the hallucinogen is back in vogue, federal officials report.

Rheumatoid Arthritis Patients See Big Boost in Quality of Life

TUESDAY, Dec. 3, 2013 (HealthDay News) -- Rheumatoid arthritis patients can generally look forward to a much better quality of life today than they did 20 years ago, new research suggests.

Health Highlights: Dec. 3, 2013

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