Something as simple as your breath could be the most accurate diagnostic tool for everything from asthma to cancer.
The family of a Texas-trained doctor who contracted Ebola while working in Liberia has shown no symptoms of the deadly disease.
Before you take your next flight, you may want to take along a little extra hand sanitizer. New research shows bacteria can hang around on airplane surfaces for more than a week.
Fully mapping someone’s genes to look for health risks is full of ethical challenges.