(HealthDay News) -- Over-the-counter medications may seem safer because they don't require a prescription. But they can still interact badly when alcohol enters the mix.

(HealthDay News) -- Dentures, just as with natural teeth, require care and regular cleaning to help maintain a healthy mouth.

TUESDAY, Oct. 25 (HealthDay News) -- Teens who don't get enough sleep may find themselves putting on extra pounds and boys, in particular, may be at risk for obesity, new research suggests.

TUESDAY, Oct. 25 (HealthDay News) -- Antibiotic-resistant infections acquired in hospital intensive care units may be killing fewer patients than feared, new research suggests.

TUESDAY, Oct. 25 (HealthDay News) -- Researchers have identified a gene variation that seems to have a major effect on the rate at which men experience an age-related decline in intellectual function.

TUESDAY, Oct. 25 (HealthDay News) -- Men who drink plenty of low-sugar fluids may reduce their risk for bladder cancer, new research suggests.

TUESDAY, Oct. 25 (HealthDay News) -- When used alone, the asthma medications known as long-acting beta-agonists are associated with an increased risk of serious complications, new research indicates.

MONDAY, Oct. 24 (HealthDay News) -- Teens who drink lots of soda seem to be prone to violence, new research suggests.

TUESDAY, Oct. 25 (HealthDay News) -- Marijuana causes disruptions in concentration and memory similar to those that occur in people with schizophrenia, according to a new study.

TUESDAY, Oct. 25 (HealthDay News) -- The various health risks associated with being overweight or obese are well known, but a new study now suggests that this extra weight may also make your annual flu shot less effective.

TUESDAY, Oct. 25 (HealthDay News) -- Preliminary research suggests that a patch could deliver an AIDS drug to patients, but it's too early to know if it could work in animals, let alone humans.

TUESDAY, Oct. 25 (HealthDay News) -- New research suggests that the active ingredient in the erectile dysfunction drug Viagra, which was initially developed as a treatment for heart disease, could help children with a rare condition called pulmonary arterial hypertension.

TUESDAY, Oct. 25 (HealthDay News) -- U.S. health authorities on Tuesday recommended that young males be vaccinated against human papillomavirus (HPV), a sexually transmitted virus that causes most cervical cancers, as well as anal cancer and some cancers of the throat and mouth.

TUESDAY, Oct. 25 (HealthDay News) -- Training parents in how to manage children's problem behaviors can improve the conduct of preschool children with symptoms of attention-deficit/hyperactivity disorder (ADHD), according to a new report.

TUESDAY, Oct. 25 (HealthDay News) -- Men with a history of heavy smoking who have a CT scan to look for lung cancer could benefit from a simultaneous check for chronic obstructive pulmonary disease (COPD), Dutch researchers suggest.

TUESDAY, Oct. 25 (HealthDay News) -- The most widely used flu vaccine in the United States is only about 60 percent effective in healthy adults, new research indicates.

TUESDAY, Oct. 25 (HealthDay News) -- Scientists have identified mutations in three genes that make certain patients more likely to have a potentially fatal blood clot after undergoing heart stent placement.

TUESDAY, Oct. 25 (HealthDay News) -- The death toll in the listeria outbreak traced to cantaloupes produced at a Colorado farm has reached 28, with another 133 people sickened in 26 states, U.S. officials said late Tuesday.