Gross, but true. We are covered in bacteria. Microbiologists at Nova Southeastern University say there are 10 bacteria living on you for every one cell you have.
A new study estimates nearly half of the meat and poultry sold at U.S. supermarkets and grocery stores is contaminated with a bacteria that can make you very sick. The bacteria is Staphylococcus aureus, also known as staph, which is a common cause of infection in people.