Some Birth Control Pills May Up Breast Cancer Risk

THURSDAY, July 31, 2014 (HealthDay News) -- Birth control pills containing high doses of estrogen, along with some other formulations, may increase the risk of breast cancer in women under 50, new preliminary research suggests.

Early Hormone Therapy May Be Safe for Women's Hearts

MONDAY, July 28, 2014 (HealthDay News) -- Healthy women at low risk of cardiovascular disease may be able to take hormone replacement therapy soon after menopause for a short time without harming their hearts, according to a new study.

Anal, Throat Cancers on the Rise Among Young Adults, Study Finds

FRIDAY, July 25, 2014 (HealthDay News) -- Although cervical cancers are declining in the United States and Canada, other cancers linked to human papillomavirus (HPV) are increasing, a new study indicates.

Lift U.S. Ban on Blood Donations by Gay Men, Experts Say

FRIDAY, July 25, 2014 (HealthDay News) -- The United States should repeal a 30-year policy that bans blood donations from gay and bisexual men, according to a team of medical and legal experts writing this week in the Journal of the American Medical Association.

Too Few Teens Receive HPV Shot, CDC Says

THURSDAY, July 24, 2014 (HealthDay News) -- An "unacceptably low" number of girls and boys are getting the human papillomavirus (HPV) vaccine, which protects against cervical, anal and other cancers, U.S. health officials said Thursday.

Bacteria in Semen May Affect HIV Transmission, Levels: Study

THURSDAY, July 24, 2014 (HealthDay News) -- Human semen is naturally colonized by bacteria, and a new study suggests the microbes might have a role to play in both HIV transmission and levels in infected men.

Teenage Boys Want Intimacy, Not Just Sex, Survey Finds

THURSDAY, July 24, 2014 (HealthDay News) -- The stereotype of the sex-crazed teenage boy may be dead wrong, according to a small study that asked boys what they really want from romantic relationships.

Many U.S. Male Soldiers Had Troubled Childhoods, Study Finds

WEDNESDAY, July 23, 2014 (HealthDay News) -- U.S. servicemen are more likely to have been exposed to some form of childhood trauma than their civilian counterparts, a large, new survey suggests.

HIV Meds May Also Help Control Hepatitis C, Study Finds

WEDNESDAY, July 23, 2014 (HealthDay News) -- For patients infected with both HIV and hepatitis C, HIV antiretroviral therapy may help control both viruses, a small study suggests.

Scientists Snipped HIV Out of Human DNA

MONDAY, July 21, 2014 (HealthDay News) -- A recently developed molecular tool allowed researchers to remove HIV from cultured human cells in the lab.