Dandruff -- those dry, white flakes of skin you brush off your collar or shoulders -- is harmless. But it can be embarrassing and itchy. Dandruff really isn't about your hair, or how often you wash it. Instead, it's about the skin on your scalp.
Skin cells that grow and die off too fast are the problem. Exactly why that happens isn't clear. A very common fungus called malassezia may contribute to dandruff. This fungus lives on the scalp of most healthy adults without causing any problems. One theory is that the immune system of someone with dandruff may overreact to that fungus.
Where in your community can you find the drug-resistant staph germs known as
MRSA? The surprising answer: They're closer than you may think.
With all the buzz about MRSA
(methicillin-resistant Staphylococcus aureus), it's easy to
forget there really are two MRSA epidemics going on at the same time.
By far the largest epidemic is going on inside hospitals and other health
care facilities. The staph bug causing these infections resists treatment with
a broad range of antibiotics. Because it...