Prof. Leslie Leiserowitz first became intrigued by malaria when he was a young boy in South Africa. His father, who scouted ...

Though they sound like something straight out of a horror movie, parasites can and do affect the human brain. Here's what to know ... according to the U.S. Centers for Disease Control and Prevention ...

Birds are the natural hosts of this virus, but female mosquitoes spread the disease when they bite an infected bird and then ...