HealthDay - FRIDAY, Dec. 16 (HealthDay News) -- HIV-infected drug users are 74 percent more likely to have an overdose than those without HIV, a new evidence review finds.

HealthDay - FRIDAY, Dec. 16 (HealthDay News) -- HIV-infected drug users are 74 percent more likely to have an overdose than those without HIV, a new evidence review finds.

HealthDay - WEDNESDAY, Oct. 26 (HealthDay News) -- The genes suspected of causing autism, schizophrenia and other mental illnesses are activated in the developing brain before birth, according to a major genetic analysis.

ContributorNetwork - COMMENTARY | While October is widely known as National Breast Cancer Awareness Month and pink ribbons are out in force, the reality of breast cancer doesn't end on Oct. 31. In my own life, this October was the kickoff for a fight against the disease as my mother was diagnosed with triple negative breast cancer in September and began chemotherapy just last week.

HealthDay - 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.

LiveScience.com - Marijuana hurts memory and cognition, and a new rat study indicates this is because it causes once-coordinated brain regions to fall out of sync with each other. The result resembles the effects of schizophrenia, the neuroscientists found. 

Reuters - One class of drugs used to prevent wheezing and shortness of breath in people with asthma may increase kids' risk of being hospitalized for an asthma attack, according to a new analysis from the U.S. Food and Drug Administration.

Reuters - Women who have their first baby at an older age aren't at greater risk of postpartum depression, according to a new report that contradicts earlier concerns.

Reuters - More than 1,100 people would have to be offered HIV tests in the emergency room to find just one new infection with the potentially deadly virus, researchers from France said Monday.

HealthDay - FRIDAY, Oct. 21 (HealthDay News) -- The breast cancer drug letrozole, marketed as Femara, may be more effective than tamoxifen at preventing the return of breast cancer and improving survival among older women with hormone-sensitive breast cancers, a new study reports.

LiveScience.com - Although the health effects of radiation from mobile phones has long been up for debate, a new study from Denmark found that cellphones do not increase the risk of cancerous brain tumors.

HealthDay - WEDNESDAY, Oct. 19 (HealthDay News) -- Obese children need special attention when they undergo anesthesia, two new studies suggest.

HealthDay - WEDNESDAY, Oct. 19 (HealthDay News) -- The rate of antidepressant use among Americans of all ages increased nearly 400 percent over the last two decades, and 11 percent of Americans aged 12 and older now take antidepressant drugs, according to a federal government report released Wednesday.

HealthDay - WEDNESDAY, Oct. 19 (HealthDay News) -- Americans who were jobless for longer than 25 weeks in the past year were three times more likely than those who were continuously employed to suffer mental health issues for the first time, a new study finds.

HealthDay - WEDNESDAY, Oct. 19 (HealthDay News) -- Ohio doctors report they got a diagnostic surprise when an HIV patient tested positive for the bacterium that causes leprosy.

HealthDay - WEDNESDAY, Oct. 19 (HealthDay News) -- Three new studies provide insight into the best time to begin AIDS drug treatments in HIV-positive patients who are also infected with tuberculosis, a double whammy common in Africa. Starting the drugs earlier, even by a few weeks, could make a big difference for patients who are very sick, the research suggests.

AP - Roughly 1 in 25 adolescents in the United States are taking antidepressants, according to a new government study billed as the first to offer such statistics on that age group.

Reuters - More than one in 10 Americans over the age of 12 takes an antidepressant, a class of drugs that has become wildly popular in the past several decades, U.S. government researchers said Wednesday.

HealthDay - (HealthDay News) -- Coughing is the body's way of ridding the respiratory tract of an irritating substance. Allergies, asthma or inhaling secondhand smoke are common triggers for a cough.

AP - Leaders of former British Empire countries that continue to outlaw homosexuality will be asked next week to reverse their bans in a bid to reduce their disproportionately high HIV infection rates, an official said Tuesday.