Test your knowledge of this lung condition with our quiz.
Take quiz
Vaccines are the best defense against several serious diseases. But some people remain skeptical about their value. If you have concerns, here are the facts you need to make an informed choice for your family.
Read more
The alkaline diet, based on the idea that the typical American diet raises acid levels in the body, has been getting lots of buzz. But it has detractors, too. So what does science say about this controversial way of eating?