What is the most effective hand washing method?
How to wash hands? Which is the most effective method? Only 5 percent of the people who do this are always right.
Almost everyone knows that after using the toilet, before eating, after getting on public transport, we need to wash our hands, thus preventing diseases. But only 5 percent of the people do it all the time.
According to the data obtained from the observation of three thousand people, 10 percent of those who use public toilets come out without washing their hands, 33 percent of those who do not use soap. Since we constantly take our hands to our face and mouth, the germs from unwashed hands become the source of entry to our body. Researches conducted in Brazil and the USA showed that we touched different surfaces with our hands 3.3 times per hour in public areas and brought them to our mouths and noses 3.6 times.
So we have to wash our hands properly. But what is the best way to do this? Should he use hot water to clean the hands well?
Most people believe that washing our hands with hot water is more effective. It's true that heat kills bacteria. That's why we heat food until it boils. The hot water that we wash our hands must be at the heat to burn the skin for it to be effective. For example, salmonella bacteria can survive for 10 minutes even at a temperature of 55 degrees. If you wash your hands with water at this temperature for more than 30 seconds, severe burns will occur.
After washing the hands with water at different temperatures (between 4.4 and 50 degrees), an experiment was conducted in Florida to see how much germ remains. The subjects' hands were washed with water at a certain temperature after touching the raw minced meat rich in bacteria. The hands were rubberized with gloves and a special liquid was added inside the glove to collect bacteria. One minute massage was applied to the hands to allow the bacteria to pass into the liquid. These liquids were then collected with a pipette and examined in the laboratory. Whether the hands were washed with hot or cold water, the same amount of bacteria remained.
However, a certain hand washing time was applied for this experiment. However, in real life, excessive hot or cold water may adversely affect the washing time. Therefore, warm water in public toilets can prolong the hand washing time.
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