ADHD reduced life expectancy by seven years for men and nine years for women, according to a new study of adults. The research only looked at adults with diagnosed ADHD, who may have more severe ...

Having attention deficit hyperactivity disorder, or ADHD, is associated with a shorter life expectancy and a greater risk of mental health issues, according to a new study of more than 30,000 ...

This absorption and radiation of heat by the atmosphere—the natural greenhouse effect—is beneficial for life on Earth. If there were no greenhouse effect, the Earth’s average surface temperature would ...