FRIDAY, Oct. 22 (HealthDay News) -- Sports participation among children and teens is a welcome trend, as it teaches teamwork and lays the groundwork for lifelong exercise, experts agree. Not so good, however, are the high rates of injury.

(HealthDay News) -- Gastroparesis occurs when there's nerve and muscle damage that slows the process that empties the stomach.

(HealthDay News) -- Before you let your little goblins out of the home for trick-or-treating this year, make sure they're safe and prepared.

FRIDAY, Oct. 22 (HealthDay News) -- Nutritional counseling for new mothers can help reduce their child's risk of obesity, a new study suggests.

FRIDAY, Oct. 22 (HealthDay News) -- Recession-linked job insecurity has many Americans questioning the sacrifices they make for work, such as having less time for family, leisure and self-improvement activities, a new study suggests.

FRIDAY, Oct. 22 (HealthDay News) -- Differences in the release of the neurotransmitter dopamine may help explain why men are up to twice as likely as women to develop alcoholism, a new study says.

FRIDAY, Oct. 22 (HealthDay News) -- Misdiagnosis of pneumonia is common among patients readmitted to the hospital shortly after a hospitalization for the same illness, according to two companion studies.

THURSDAY, Oct. 21 (HealthDay News) -- People who regularly take a low dose of aspirin may be reducing their risk of developing colon cancer by 24 percent, a new study finds.

FRIDAY, Oct. 22 (HealthDay News) -- The brains of new mothers actually get bigger within months of giving birth, according to new research.

FRIDAY, Oct. 22 (HealthDay News) -- The number of American adults with diabetes could double or triple by 2050 if current trends continue, warns a federal government study released Friday.

THURSDAY, Oct. 21 (HealthDay News) -- Although a steroid shot can relieve the pain of tennis elbow in the short run, long-term use is less effective and might even be harmful, Australian researchers say.

THURSDAY, Oct. 21 (HealthDay News) -- As another flu season approaches, with the memory of last season's H1N1 pandemic flu still fresh in the minds of many, scientists gathered Thursday to present the latest research on the flu virus and attempts to vaccinate against it.

FRIDAY, Oct. 22 (HealthDay News) -- You might have seen J.R. Martinez on ABC's All My Children, where he plays an Iraq War vet with severe burns across much of his body who led his fiancée to believe he was dead rather than reveal his injuries.

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

FRIDAY, Oct. 22 (HealthDay News) -- Children should receive higher priority in disaster preparedness and response plans, according to the majority of people who took part in a recent survey conducted by the American Academy of Pediatrics and the Children's Health Fund.

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

FRIDAY, Oct. 22 (HealthDay News) -- Complicating efforts to combat malaria, new research indicates that two physically identical strains of a single mosquito responsible for most disease transmissions appear to be evolving into two genetically distinct species.

FRIDAY, Oct. 22 (HealthDay News) -- A never-before detected strain of virus that killed more than one-third of a monkey colony at a U.S. lab appears to have 'jumped' from the animals to sicken a human scientist, researchers report.

FRIDAY, Oct. 22 (HealthDay News) -- An increasingly stubborn strain of methicillin-resistant Staphylococcus aureus, or MRSA, a common bacterial infection acquired in hospitals, has been identified in Ohio, according to research presented at the annual meeting of the Infectious Diseases Society of America.