Hi.I am 22 years old Male , feeling dizziness, shortness of breath , headaches ,muscle weakness , feeling like floor is moving under my feet when walking, blur vision from more than five months . . I don't even smoke . all these problem could not occur at the same time . they occur in a sequence one after the other . I have normal MRI DWI ,Normal B12 level RFT, TFT, urine test, BSR , Blood CP , CPK , ECG , Normal Montoux Test , Normal chest x.rays . . .Deficient in vitamin D Kindly guide me .