Q12. What is the effective gargling for the prevention of a cold?
Q13. How long can a common cold virus live on the hand?
A 1 day B 1 week
A13. According to a recent research, a common cold virus can live on the hand for 1 week, so it is important to wash hands. When you wash hands, please pay attention to the following 3 parts:
Q14. Which food is good to eat for breakfast to prevent a cold, A Soft food or B Hard food?
A14. B Hard food. It is good to eat hard food for breakfast because when you eat hard food, you have to chew well and at that time a lot of saliva is secreted.
Saliva moistens the throat and also has the effect of sterilization.
If you eat a bead for breakfast, it is a good idea to choose a French bread which is hard and you need to chew well.
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