Can you offer any help at all. could all my health issues be caused by a brain tumor?

Brain tumor: I am sorry you have not given enough information about your medical problems to give you an answer. Speak to your primary care doctor. If he has any question about a brain tumor, you may be referred to a neurologist or for an mri.

What issues: Your question can't be answered unless you tell us your 'health issues'; how can we guess if they might be from a tumor? In general brain tumors are rare in people your age. See your doctor to find out what is causing your problems and to allay your anxiety.