Teens Divulge Risky Behavior on Social Networking Sites

MONDAY, Jan. 5 (HealthDay News) -- More than half of teens who use the social networking site MySpace have posted information about sexual behavior, substance abuse or violence, new research shows.

 Viagra May Shield Heart From Blood Pressure Damage

MONDAY, Jan. 5 (HealthDay News) -- Tests in mouse hearts show that sildenafil, the key ingredient in Viagra, may shield hearts from damage caused by high blood pressure, a new study suggests.

 Diabetes Epidemic Now Poses Challenges for Nursing Homes

MONDAY, Jan. 5 (HealthDay News) -- More and more people with diabetes are living to older ages, thanks to medical advances. But the long-term facilities, such as nursing homes, that care for aging Americans may not be ready for the additional challenges that come with treating patients with diabetes.

 Winter Is Tough on Feet

MONDAY, Jan. 5 (HealthDay News) -- Winter can be a tough season for feet, according to the American Podiatric Medical Association.

 War Vets With Headaches Could Have Brain Problems

MONDAY, Jan. 5 (HealthDay News) -- Headache frequency and severity caused by traumatic brain injury might signal cognitive deficits, suggests a new study of Iraq war veterans.

 Car Key Device Jams Teens' Cell Phones

MONDAY, Jan. 5 (HealthDay News) -- A car key that prevents teens from talking on cell phones or text messaging while driving has been developed by University of Utah researchers.

 Obesity Linked to Ovarian Cancer

MONDAY, Jan. 5 (HealthDay News) -- Obese postmenopausal women who have never used hormone replacement therapy may face an increased risk of ovarian cancer, compared to normal-weight women, a new study suggests.

 Researcher Finds Most Will Inflict Pain on Others If Prodded

MONDAY, Jan. 5 (HealthDay News) -- People today may be just as willing to follow orders to hurt others as they were nearly half a century ago, a new study finds.

 Clinical Trials Update: Jan. 5, 2009

(HealthDay News) -- Here are the latest clinical trials, courtesy of CenterWatch:

 Health Highlights: Jan. 5, 2009

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

 Health Tip: Budget Your Calories

(HealthDay News) -- The U.S. Department of Agriculture suggests that you budget calories the way you do money -- in general, don't use more than you need.

 When the Heart Stops Beating

MONDAY, Jan. 5 (HealthDay News) -- Deanna Babcock's heart stopped beating on July 20, 2007. Just like that.

 Health Tip: Help Prevent Toy Injuries

(HealthDay News) -- Toys are associated with thousands of injuries every year, mostly because of misuse or because the toys are too advanced for the children playing with them.