(HealthDay News) -- Nursing moms may be worried that their newborn isn't getting enough to eat, and it can be difficult to tell when you can't see how much baby is eating.

(HealthDay News) -- Doughnuts and pastries may be delicious breakfast treats, but they're probably loaded with fat and sugar.

THURSDAY, Feb. 16 (HealthDay News) -- When it comes to helping Parkinson's disease patients retain vital motor function, weight training may be more effective than stretching or balance exercises, a new study concludes.

THURSDAY, Feb. 16 (HealthDay News) -- Teens victims of dating violence are likely to have suffered other forms of violence, such as sexual violence and child abuse, according to a new study.

THURSDAY, Feb. 16 (HealthDay News) -- Researchers have sequenced the genomes of the animal known as the Tasmanian devil and the transmissible facial cancer that threatens the species with extinction.

THURSDAY, Feb. 16 (HealthDay News) -- Marital harmony may be in short supply in households where one partner is immersed in online games such as World of Warcraft, Lord of the Rings and Guild Wars, new research suggests.

THURSDAY, Feb. 16 (HealthDay News) -- In studying how HIV is transmitted, researchers have discovered that some African sex workers are naturally resistant to the virus, a finding that could influence prevention efforts.

THURSDAY, Feb. 16 (HealthDay News) -- Most men who have surgery for prostate cancer can still achieve orgasm if the nerves that surround their prostate gland are not removed, according to a new study.

THURSDAY, Feb. 16 (HealthDay News) -- Average medical costs for a stroke patient with language impairment (aphasia) are more than $1,700 higher in the first year after stroke than for a patient without aphasia, a new study finds.

THURSDAY, Feb. 16 (HealthDay News) -- Women with rheumatoid arthritis or systemic lupus erythematosus often have fewer children than they'd hoped for, according to a new study.

THURSDAY, Feb. 16 (HealthDay News) -- Doing away with the U.S. health care reform act's requirement that all Americans must have health insurance would not dramatically increase the cost of buying policies through new insurance exchanges, but would significantly reduce the number of people who get insurance, according to researchers.

THURSDAY, Feb. 16 (HealthDay News) -- Remote controls may not be for just appliances anymore. In a new small study, women with severe osteoporosis were implanted with a microchip that releases bone-building drugs at the push of a button, a delivery method that could someday become common for various health conditions.

THURSDAY, Feb. 16 (HealthDay News) -- About 7.5 million American children under the age of 18 live with a parent who's struggled with alcohol abuse over the past year, a new government report finds.

THURSDAY, Feb. 16 (HealthDay News) -- A sweetener used in many organic foods may be a hidden source of arsenic, a new study suggests.

THURSDAY, Feb. 16 (HealthDay News) -- Although a growing number of Americans now struggle with heart failure, experts say new treatments have dramatically improved both quality of life and life expectancy for these patients.

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

THURSDAY, Feb. 16 (HealthDay News) -- The number of American teens who lost their lives in car accidents jumped 11 percent in the first half of 2011, the first increase in eight years, a new report finds.

THURSDAY, Feb. 16 (HealthDay News) -- An alarming increase in ectopic pregnancy-related deaths among Florida women is likely caused by illicit drug use and delays in seeking medical care, a U.S. report released Thursday says.

THURSDAY, Feb. 16 (HealthDay News) -- The loss of a loved one can trigger deep emotional turmoil, but is the grief that follows a normal part of being human or is it a form of mental illness in need of diagnosis and treatment?