Long-term smokers often have a chronic cough. They may get used to it, and perhaps also to being winded after climbing stairs.But there are good reasons to take these symptoms seriously, as they can ...

The UN says at least 700 people have been killed in intense fighting in Goma, the largest city in eastern Democratic Republic ...

Are eggs safe to eat amid the current avian flu outbreak? Have people in the U.S. contracted bird flu? We VERIFY the answers to common questions.