Whether calculating your target heart rate, assessing your risk for a common condition, or testing your knowledge of today's health concerns, these tools help you manage your health. They are easy to use, informative, and often surprising.
Pneumonia is a serious lung infection that is more common in older adults, infants, young children, and some people with chronic health problems. Two vaccines offer protection against pneumococcal pneumonia. Find out more about pneumonia and the vaccines by taking this quiz.