Fewer U.S. Teens Using Sunscreen, Study Finds

THURSDAY, Aug. 21, 2014 (HealthDay News) -- The number of U.S. teens using sunscreen dropped nearly 12 percent in the last decade, a new report shows.

High-Risk Melanomas Often on Head or Neck, Study Finds

WEDNESDAY, Aug. 20, 2014 (HealthDay News) -- The speed at which cancer cells grow may help doctors diagnose and treat the most aggressive melanomas, researchers say.

Many Women Who Have Mastectomy Don't Get Breast Reconstruction: Study

WEDNESDAY, Aug. 20, 2014 (HealthDay News) -- Breast reconstruction after a mastectomy has long been an option, but a new study shows that only about 42 percent of women choose it.

Botox Tested on Stomach Cancer in Mice

WEDNESDAY, Aug. 20, 2014 (HealthDay News) -- Botox, the wrinkle fighter, might be a cancer fighter, too, according to a new animal study.

Hospital Discharge a Key Time to Help Smokers Quit

TUESDAY, Aug. 19, 2014 (HealthDay News) -- The weeks after a hospital discharge may be a great time to help smokers quit the habit, and one study suggests a particular program might help.

Study: Many Seniors Get Unnecessary Cancer Tests

MONDAY, Aug. 18, 2014 (HealthDay News) -- Older people who aren't expected to live more than 10 years are still being screened for prostate, breast, cervical and colon cancer -- even though it is unlikely to benefit them, a new study finds.

HPV Vaccine Protects Against Infection 8 Years Out: Study

MONDAY, Aug. 18, 2014 (HealthDay News) -- A new long-term study shows that the human papillomavirus (HPV) vaccine appears to protect against the sexually transmitted virus for at least eight years.

Exercise Helps Protect Black Women From Breast Cancer, Study Says

FRIDAY, Aug. 15, 2014 (HealthDay News) -- Brisk walking and other forms of exercise reduce a black woman's risk of breast cancer, U.S. researchers report.

Avastin Approved for Late-Stage Cervical Cancer

FRIDAY, Aug. 15, 2014 (HealthDay News) -- The anti-cancer drug Avastin (bevacizumab) has been newly approved to treat aggressive and late-stage cervical cancer, the U.S. Food and Drug Administration said in a news release.

Common Respiratory Diseases Tied to Lung Cancer Risk

FRIDAY, Aug. 15, 2014 (HealthDay News) -- Three common respiratory diseases seem to be associated with an increased risk of lung cancer, researchers report.