The answer is heart disease. Eating a diet high in saturated fats and sugar definitely won't help you lose weight, nor would it help your sleep. If anything, it could make you lose sleep. Additionally, drug addiction is caused by using drugs, not eating food. By process of elimination, we find the answer is C.
It is difficult to treat, and there are no treatments with proven effectiveness.
The mastery hypothesis: the mere fact that they are exercising makes patients feel like they have achieved something, cheering them up much as learning a new hobby or achieving a certain goal might cheer them up.
That sounds like B to me.
The answer could be Sleep deprivation because they would loose a lot of sleep thinking about the lose
