Myopia: One in three children are short-sighted

Getty Images Children’s eyesight is steadily getting worse with one in three now short-sighted or unable to see things in the distance clearly, a global analysis suggests. The researchers say

Should you get a second medical opinion? A surgeon explains why doing so can make you a more confident patient

Imagine you have heartburn. For years you’ve managed with antacids, but one day you’re struggling to swallow steak without vomiting. Your gastroenterologist finds a large hiatal hernia, an enlarged opening

Paving the way for antivirals against Ebola virus and its deadly relatives

At this moment, the world has few tools to combat deadly filoviruses, such as Ebola and Marburg viruses. The only approved vaccine and antibody treatments protect against just one filovirus