(HealthDay News) -- Some diseases are especially tough to discuss.

(HealthDay News) -- Sleep problems may increase men's risk for prostate cancer, a new study suggests.

(HealthDay News) -- Dustless chalk may cause allergy and asthma symptoms in students with a milk allergy, researchers have found.

(HealthDay News) -- Smokers and former smokers are at increased risk for rheumatoid arthritis, a new study says.

(HealthDay News) -- Danish scientists testing a novel HIV treatment in human trials contend that they're confident their strategy will result in a cure for the AIDS-causing virus, according to news reports.

(HealthDay News) -- A new study reveals that circumcision affects the type of bacteria that live on the penis, which could explain why circumcised men have a 50 percent to 60 percent reduced risk of being infected by HIV, the virus that causes AIDS.

(HealthDay News) -- Advanced fibrosis -- or progressive scarring of the liver -- is tied to higher death rates from a type of fatty liver disease found in people who drink little or no alcohol, according to a new study.

(HealthDay News) -- By 3 years of age, children should master concentration skills and the muscle control necessary to make precise movements with their fingers.

(HealthDay News) -- A new study casts some doubt on the notion than any level of alcohol consumption during pregnancy is harmful to a child's neuropsychological development.

(Reuters Health) - Supporting recommendations that people eat a couple of servings of fish per week, a new study suggests adults with the highest levels of omega-3 fatty acids in their blood are less likely to die from a range of causes than those with the lowest levels.

(Reuters) - The White House unveiled a sweeping new initiative on Tuesday to map the individual cells and circuits that make up the human brain, a project that will give scientists a better understanding of how a healthy brain works and how to devise better treatments for injuries and diseases of the brain.

"There is this enormous mystery waiting to be unlocked," said President Barack Obama of the ambitious project unveiled at a White House ceremony

(HealthDay News) -- Several factors that increase the risk of blood clots in women during or after pregnancy are outlined in a large new study.

(HealthDay News) -- Several factors that increase the risk of blood clots in women during or after pregnancy are outlined in a large new study.

(HealthDay News) -- Black men with early hair loss may have a heightened risk of developing prostate cancer, researchers report.
This study of more than 500 black men found that those "who have baldness by age 30 are more likely to develop prostate cancer," said researcher Charnita Zeigler-

(HealthDay News) -- Eating tofu and other soy foods may help women who develop lung cancer increase their odds of living longer.

(HealthDay News) -- Five-year-olds who watch television for three or more hours a day are a bit more likely to fight, steal and have other antisocial behaviors by the age of 7, a new study suggests.

(HealthDay News) -- Women who have a false-positive mammogram result -- when breast cancer is first suspected but then dispelled with further testing -- can have lingering anxiety and distress up to three years after the misdiagnosis, a new study finds.

(HealthDay News) -- Although most people get a total hip or knee replacement to decrease pain and move around more easily, a team of orthopedic surgeons has discovered an unexpected benefit: people enjoy sex more after surgery.

(HealthDay News) -- Although small studies have suggested Viagra and the blood pressure medication aliskiren could be wonder drugs against heart failure, neither drug produced any beneficial effects against this condition in recent multicenter trials.

(HealthDay News) -- Children who drink sugar-sweetened beverages consume more calories than other children and the beverages are the main reason for that higher calorie intake, a new study reveals.