Its very unfortunate that your are not clear about your CT scan
report even after spending so much on it. However, if a specialist has already reported that you CT scan is normal, then you do not have to worry about it anymore.
The description of your symptoms (especially tiredness
) and its association with 'strenous activity' hints to a possibility of tension type of head ache, which is a very common but distressing problem. Try to minimise stress and adopt a healthy lifestyle with adequate relaxation and physical activity. If problems persist, consider consulting a psychiatrist