Tired and discipline

Have found that my number 1 enemy is my own tiredness. I think it is combination of lack of exercise and eating too much medicine. I am on a long term medication for lipid disorder taking two different types of lipid medication. In additional another plavix for blood thinning. These medicine always make me sick due to its side effect. But what to do? Have a liability to support my family for sometime. I must try to ensure that I am fit to study and take the long exam although I am unsure whether anyone really cares about whether an adviser has a CFA or not.