How fast tropical forests recover after deforestation has major consequences for climate change mitigation. A team including Smithsonian scientists discovered that some secondary tropical forests…

Twenty thousand years ago, when humans were still nomadic hunters and gatherers, low concentrations of carbon dioxide in the atmosphere allowed the earth to fall into the grip of an ice age. But…

Boston, MA - A new study suggests that the current recommendation to treat severely malnourished children with routine antibiotics does not increase the likelihood of nutritional recovery in…

ROCHESTER, Minn. -- In a review article published in the Feb. 4 issue of the New England Journal of Medicine, a pair of Mayo Clinic Cancer Center researchers provide an in-depth look at the issues…

PHILADELPHIA (February 3, 2016) - Cases of pertussis (whooping cough) have increased dramatically over the past five years, putting infants at risk of serious illness or death. Most infants are…

MAYWOOD, Il. - The widespread belief that radiation from X rays, CT scans and other medical imaging can cause cancer is based on an unproven, decades-old theoretical model, according to a study…

Prolonged hammering and chiselling accelerated degenerative arthritis in the hands of Michelangelo Buonarroti, sculptor, painter and one of the greatest artists of all time. But the intense work…

February 3, 2016 - How has new legislation affected marijuana use in the United States? The best available data suggest that marijuana use is increasing in adults but not teens, with a decrease in…

Researchers have for the first time witnessed the death of a female orangutan at the hands of another female. Even more extraordinary is that the perpetrator recruited a male orangutan as a hired gun…

Depression is a serious issue for expecting mothers. Left untreated, depression could have implications for a fetus's health. But treating the disease during pregnancy may carry health risks for the…