Article: Ask Doctor Cory.(information about goose bumps, food from the floor, sticking things into skin and caffeine)

Dear Dr. Cory:

When I'm mold I always get bumps on my arm that I call goose bumps. Why do I get goose bumps when I am cold?

Ashley Gallant Sicamous, British Columbia

Dear Ashley:

Each tiny hair on your skin is attached to small muscles, called arrector pili muscles. In cold or frightening situations these muscles tighten. This makes the hair stand straight up. The skin around the hair bunches up and makes a little bump. When all of your hairs do this at the same time, you have goose bumps!

When the hairs stand up with goose bumps, they form a sort of a cage. This "cage" holds air close to your body to help you stay warm. ...

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