In winters we used to save our body germs or cold wind,this is cause of flu,cough,or fever.when we go out for work cover our head with caps or wear woollen clothes,if we do not care we can cought these 7 diseases mention below,
Frostbite
Shivering
Hypothermia
Headaches
Runny nose and watery eyes
Shortness of breath
Increased calorie burn
these 7 allergies make our body sick or weak.so,not take light these infections in winters