Money Allergies: Two-toned euro coins shed metallic allergen

Holding on to your cash might be good for your finances but not for your skin–at least in Europe.

ITCHING FOR MONEY. A 1-euro coin (left) corrodes after partial submergence in artificial sweat, although a nickel-rich 1-franc Swiss coin (right) does not. Dept. of Dermatology/Univ. of Zurich and Inst.