had major oral surgery 1yr ago and still continue to loss weight,down from 128 to 98 but my eating habits have not changed..even eating lots of sunflower seeds to retain water(not happining) drinking protin shakes 4xwk (not helping) dont drink alcohol,dont do drugs ,(am class b driver and never risk not passing any dot tests) on call 24/7. have some headaches,weekness ,tired and under lots of stress,urine clear or lite,some difficultities .fecal normal.no bloody stools or darkness. coffee as normal ,1-2cups daily.smoker..body now looks like a holocaust suvivor.,.no breasts,skin crinkley..

any ideas as to why i can not regain any weight?