15 Things Your Hands Can Say About Your Health

3. If you’re allergic to nickel…

U.S. nickels |Alex Wong/Getty Images

Get red bumps on your hands from digging in your coin purse? Health.com says this could be a sign you’re allergic to nickel. But you don’t have to touch this metal to feel the effects. Ingesting foods that have nickel in them — like beans, oatmeal, or chocolate — can have the same effect.

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