Scientists say they have solved a crucial puzzle about the AIDS virus after 20 years of research and that their findings could lead to better treatments for HIV.
British and U.S. researchers said they had grown a crystal that enabled them to see the structure of an enzyme called integrase, which is found in retroviruses like HIV and is a target for some of the newest HIV medicines.



US healthcare officials recently said a food-poisoning outbreak tied to alfalfa sprouts and involving multiple germs...
Common personal care products widely contain unlabeled toxic chemicals, results from a new peer-reviewed study suggest....
Hantavirus. Ebola. West Nile. Measles. And, of course, cyclospora — that stomach parasite making people miserable...





























