Health Tip: Find the Best Time to Exercise

(HealthDay News) -- Believe it or not, there's a right time for exercise and it varies by person.

Health Tip: Giving Your Skin What it Needs

(HealthDay News) -- Your skin is the largest organ in your body, weighing about six pounds by itself. This protective layer regenerates itself about once every 27 days.

Abuse of Painkillers Raises Risk of Heroin Use: Study

THURSDAY, Aug. 22 (HealthDay News) -- Illegal use of prescription pain drugs increases a person's risk of becoming a heroin user, a U.S. government report suggests.

Family History of Diabetes Makes 'Prediabetes' More Likely, Study Finds

THURSDAY, Aug. 22 (HealthDay News) -- Before full-blown diabetes sets in, people typically develop a syndrome known as "prediabetes." Now a new study shows that people who are not obese but who have a family history of diabetes are at higher risk of becoming prediabetic, too.

Early Course of HIV Therapy May Give Infants a Break From Drugs

WEDNESDAY, Aug. 21 (HealthDay News) -- Giving immediate drug therapy to HIV-infected infants for a limited period of time protects their immune system and delays the start of lifelong treatment, according to a new study.

Breast-Feeding May Pass Good Bacteria From Mom to Baby

THURSDAY, Aug. 22 (HealthDay News) -- Breast milk delivers beneficial bacteria from a mother's gut to her baby's digestive system, according to a new study.

Kidney Cancer Drugs Equal in Prolonging Survival: Study

THURSDAY, Aug. 22 (HealthDay News) -- The drug pazopanib (Votrient) works as well as sunitinib (Sutent) for treating advanced kidney cancer, but it has milder side effects, a new study finds.

Could Flu Shots Help Prevent Heart Attacks?

WEDNESDAY, Aug. 21 (HealthDay News) -- Getting a flu shot could help protect against a heart attack, Australian researchers say.

Mom's Genes May Play Part in How Children Age

THURSDAY, Aug. 22 (HealthDay News) -- A mother's genes can affect the aging process in her children, a new study in mice suggests.

Research Gets to Root of Redheads' Higher Melanoma Risk

THURSDAY, Aug. 22 (HealthDay News) -- It's well known that natural redheads are at higher odds for deadly melanoma skin cancer, and new research in mice may help explain why.

U.S. Circumcision Rates Drop by 10 Percent: CDC

THURSDAY, Aug. 22 (HealthDay News) -- Male circumcision rates in the United States declined 10 percent between 1979 and 2010, federal health officials reported Thursday.

Scientists Make Damaged Heart Cells Healthy Again in Lab Tests

THURSDAY, Aug. 22 (HealthDay News) -- Scientists report that they've transformed one kind of human heart cell into another in laboratory experiments, a promising development in the bid to find ways to repair damage from heart attacks.

Health Highlights: Aug. 22, 2013

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

Cases Reported in Stomach Bug Outbreak Top 600

THURSDAY, Aug. 22 (HealthDay News) -- U.S. health officials are continuing to search for the source of a nationwide stomach bug outbreak as the number of cases has topped 600, with 601 illnesses reported in 22 states.

CDC Frees Up Drug That Fights Brain-Eating Amoeba

THURSDAY, Aug. 22 (HealthDay News) -- Miltefosine, a potentially life-saving experimental drug to treat people infected with a rare but deadly brain-eating amoeba, is now available to U.S. doctors directly from the U.S. Centers for Disease Control and Prevention, the agency announced Thursday.

New Device IDs Disease-Causing Germs

THURSDAY, Aug. 22 (HealthDay News) -- A new spectrometer system designed to identify 193 yeast and bacteria that are capable of making people sick has been approved by the U.S. Food and Drug Administration.

Hyperbaric Oxygen Chambers Aren't Cure-Alls, FDA Warns

THURSDAY, Aug. 22 (HealthDay News) -- Despite claims on some websites, there is no evidence that hyperbaric oxygen therapy cures or is an effective treatment for diseases such as cancer, autism, diabetes or other diseases, the U.S. Food and Drug Administration says.