I think that this is not true. Cancer is caused by a mutation in the DNA, being skinny will not help you avoid it.
Accreditation- A voluntary process in which an agency is requested to officially review healthcare institutions, such as hospital, nursing homes, and educational institutions, to determine compliance
The correct answer is Drug use. Obviously a person using a drug to get someone better or to make someones life a bit more stable.
It can not be drug abuse as it is using the drug for just casual purposes which infacts harms the other person.
Also, it can not be addiction as that is when the person is addicted to the drug and he or she has no motive of medication or something and just uses it for the sake of it.