Obesity contributes to about 1 in every 4 infectious disease deaths in the United States, the most among wealthy countries, a major new study estimates.
The United States is more vulnerable to future outbreaks, pandemics and health crises due to a breakdown in federal disease tracking, a new study says.
Stick some flu patients in a confined hotel room with a group of healthy volunteers for hours on end, whiling away the time with conversation or card games.
