July 10, 2014; 4:47 AM ET
After the intensity and number of thunderstorms diminish into Friday, the weekend will bring fairly typical warmth and humidity for the middle of July around Washington, D.C. more >
Thunderstorms in the area Monday afternoon through Monday evening
About a fifth of children seen by their doctors for persistent coughs may actually have whooping cough, a new study suggests.
The probable cause of Kawasaki disease — a mysterious and sometimes deadly childhood heart disease that has stumped generations of doctors and that predominantly affects people in Japan, Hawaii and Southern California — may have been found.