As early as 2011, a British study found that people who used to wash their hands with soap or hand sanitizer were more than 60% less likely to suffer from various infectious diseases, mainly respiratory tract diseases and digestive tract diseases, than those who used to wipe their hands with disinfectant paper towels or use disinfectant spray instead of washing their hands.<br>The World Health Organization also points out that around 3.5 million children around the world are unable to live to the age of 5 due to pneumonia or diarrhea. If they can be helped to wash their hands with soap or hand sanitizer, the number of children who die of respiratory diseases will be reduced by 25% globally, and the number of children who die of digestive tract infection will be reduced by 50%. It can be seen that developing good hand washing habits can save thousands of lives.<br>However, not only children, but also adults, do not have many people who can master the correct hand washing methods. There are many people, because of their own habits or occasions and other problems, have developed the habit of wiping wet paper towels instead of washing hands, or using disinfectant spray instead of washing hands, but these are not good habits to keep hands clean.<br>To form a good habit of hand washing is an effective way to prevent hand borne diseases.<br>
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