From 5 days i am sufferimg from common cold. I get tired within a bery shoert time if i stay in front of books or a computer or walk even in a short time. Also i am cot getting interested in taking foods. In such situation what type of food i should take ang get more energised so that i can study well. And what time of the treatments can be done at home. Further i donpot have fever and sometimes i have headache.