why is my mind and body so slow?

M a student. I cant study effectively. My brain doesn’t work properly.My body is weak. When I write exam I am not able to complete it even when I know the answer.I have frequent headache neck pain. I cant work properly.I want to know how u can improve my mind and body.

may be you should start exercising, take good diet it might help you to get energy. Do some meditation also.

Better consult some doctor for headache and neck pain.