HUMAN NUTRITION

Detailed explanation-1: -Wet your hands with clean, running water (warm or cold), turn off the tap, and apply soap. Lather your hands by rubbing them together with the soap. Lather the backs of your hands, between your fingers, and under your nails. Scrub your hands for at least 20 seconds.

Detailed explanation-2: -Nonetheless, evidence suggests that washing hands for about 15-30 seconds removes more germs from hands than washing for shorter periods 15, 17, 18.

Detailed explanation-3: -Bump that washing time up to 20 seconds, water use climbs to nearly three-quarters (. 75) of a gallon. Many experts advise people scrub their hands for at least 20 seconds to achieve a thorough cleaning.