If mental health and mental illnesses do not fall under the same category as NCDs, why are

they often discussed in the same context?
Because mental health significantly impacts people with NCDs.
Because mental illnesses directly cause most NCDs.
Because all NCDs guarantee poor mental health.
Because poor mental health guarantees that you will develop an NCD.
(If someone could give me all the answers that would also be greatly appreciated)

for the first one b please post the question with you answers so i can check your work!