Headache, dizziness, chest tightness, vomiting, what's the cause?

The causes of headache, dizziness, chest distress and vomiting in patients are generally considered to be caused by cold, dyspepsia, hypertension, coronary heart disease, cervical spondylosis, etc., and may also be related to lack of good rest, overwork, bad eating habits, unclean diet, cold, etc.