Tag: prevention

Our skin, like all mammals, is covered with small oil-producing glands called sebaceous glands. These sebaceous glands produce a fatty substance called sebum (a...

A muscle cramp is a strong, painful contraction or tightening of a muscle that comes on suddenly and lasts from a few seconds to...

Tooth enamel is the hard, outer surface layer of your teeth that serves to protect against tooth decay. In fact, tooth enamel is considered...