(HealthDay News) -- Swimmer's ear, medically called otitis externa, is an infection that occurs when fluid gets trapped inside the ear. It is a painful condition that requires a doctor's treatment.

WEDNESDAY, Oct. 17 (HealthDay News) -- When the introduction to solid foods is delayed and babies are fed formula for a prolonged period of time, it may place them at increased risk for pediatric acute lymphoblastic leukemia (ALL), a new study suggests.

WEDNESDAY, Oct. 17 (HealthDay News) -- Incorrect weight shifting is the most common cause of falls in elderly people, according to researchers who analyzed videos of actual falls among seniors.

WEDNESDAY, Oct. 17 (HealthDay News) -- People who skip breakfast may end up eating more and making less healthy food choices throughout the day, according to a new study. Eating breakfast, on the other hand, helps people avoid overeating and cravings for high-calorie foods.

WEDNESDAY, Oct. 17 (HealthDay News) -- Prostate cancer patients who, before their diagnosis, routinely consumed hefty helpings of the flavonoid compounds found in plant-based foods and drinks may be at lower risk for the most aggressive form of the disease, new research suggests.

WEDNESDAY, Oct. 17 (HealthDay News) -- What has become a daily ritual for millions of Americans may have an unintended and beneficial effect.

WEDNESDAY, Oct. 17 (HealthDay News) -- Criminal investigators from the U.S. Food and Drug Administration on Tuesday visited the specialty pharmacy in Massachusetts linked to the meningitis outbreak that has killed 15 people and sickened 233, according to published reports.

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

WEDNESDAY, Oct. 17 (HealthDay News) -- A man with Duchenne muscular dystrophy who received a device to help his heart's left ventricle pump blood throughout his body could represent a breakthrough in the treatment of the disease, according to his doctors.

WEDNESDAY, Oct. 17 (HealthDay News) -- A week after the release of more allegations of involvement in illegal blood doping in professional cycling, Lance Armstrong announced Wednesday that he is stepping down as chairman of LIVESTRONG, the cancer charity he founded.