The answer should be B.
Hope it helped!
Gonorrhea and hepatitis B
I would say C, schizophrenia,
because schizophrenia is "a mental disorder that in many ways centers around not recognizing what is part of reality – namely, having psychotic breakdowns." It is not related to anxiety, as anxiety is classified as "neurotic" while schizophrenia is classified as "psychotic".
When you are in stress your body and mind are tense and your body and mind cannot concentrate or operate as it normally does, Resulting in many different downsides like not being able to exercise properly.