Ultra Violet rays or UV's cause the skin to burn in the sun.
Always change gloves if the gloves get ripped, torn, or contaminated. Contamination can occur after using the bathroom, smoking, coughing, sneezing, and in between preparing raw and cooked foods. Food worker hands must be washed thoroughly and be cleaned before wearing new gloves.
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All prescriptions medicine have potential risk depend on how you respond to the medication.