How should the elderly's cold prevent _'s prevention and health care

How should the elderly's cold prevent _'s prevention and health care
The elderly's cold is difficult to cure, and can cause many kinds of complications, then, how should the elderly prevent cold?
1,Occupy the indoor air and had better sterilize regularly, weekly. Open the window to ventilate two times a day, keep in the room appropriately about 60%, the temperature keeps about at 20 .
2,Try hard to be little to get to the large public place of stream of people, prevent cross infection.
3,Give up smoking. The harmful substance destroys mucomembranous defence function of the respiratory tract, cause resistance to drop in the cigarette.
4,Temper appropriately, sufficient sleep, nutrition are balanced.
5,If family have cold to happen, should adopt the indoor smoked vinegar law early, purify the indoor air. Take cold drug to prevent every day.
6,Wash the face and wash the nose while being cool while being daily at ordinary times, make the massage of nose, pay attention to the oral cavity plot, form good hygienic habit, favorable to prevent from cold.
7,Strengthen cold-resistant training. Some the elderly have insisted on the cold bath for many years, strengthen the ability of resisting cold, the general old man can begin from warm to wash the foot first, follow in order and advance step by step, persevere, defend an effective method to catch a cold.
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