I get numbness in upper extremities when I hold my head and lie down as well as when I put my lone leg on another leg. also, i have some problem with erection. sometimes my shoulder shakes involuntarily. i have digestive problem and constipation. My job is Medical transcription. I am intolerance to wheat, milk. I feel I am weak. My natural erection is somewhat missing and also i cant maintain erection harder. Pls help me.