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Hand washing

Hand washing
Washing hands kills germs. The picture shows a hand imprint into a nutritional solution, at 37°C, after 24 hours. Bottom right Unwashed hand. Top right: Hand washed with soap, and dried. Left: Hand washed with soap, dried, and treated with disinfectant.
Hand washing

Hand washing is the process of cleaning hands with water and soap or other special liquids. It is done to take off dirt, germs, and poisons. Germs and poisons cause diseases and other health problems. Germs are bacteria, viruses, or fungi. Some diseases are not stopped by antibiotic drugs. Hand washing prevents lots of new diseases. Not washing hands before cooking or touching food is risky.

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