People with heart disease who live alone tend to die sooner than those sharing their home with others, according to an international study that looked at more than 44,000 people.
A gene variant that presents the most common inherited risk factor for Alzheimer's disease has been shown for the first time to affect older women but not men, according to a U.S. study Tuesday.
People who suffer from major depression are more likely to stick with therapy if it is provided over the phone, but in-person sessions work better in the long run, suggested a U.S. study Tuesday.
Emotional stress caused by last year's tsunami caused a part of some survivors' brains to shrink, according to scientists in Japan who grasped a unique chance to study the neurological effects of trauma.
The number of people with dementia is expected to almost double to 65.7 million people by 2030, according to a World Health Organization (WHO) report published on Wednesday.
Suicide rates for female teens and pre-teens in Canada rose over the past few decades even though the overall number of youths who took their own lives was dropping, according to a Canadian study that covered nearly 30 years.
Researchers said on Wednesday they had found three more genes implicated in autism and turned up some evidence to explain why the disorder occurs more frequently among children of older parents.
Scientists have discovered how electroconvulsive or electric shock therapy -- a controversial but effective treatment -- acts on the brains of severely depressed people and say the finding could help improve diagnosis and treatment of mental illness.
Men who smoke experience greater mental declines over time than men who never smoked, but the same link does not appear among women, said a British study published in the United States on Monday.
Children who develop autism already show signs of different brain responses in their first year of life, scientists said on Thursday in a study that may in the future help doctors diagnose the disorder earlier.