Dear Doctor Numbness of both feet with a gap of a week between the starting of in both feet, since 6 years. Soles are totally numb. Gait affected very very minimally. No motor power loss.No continences, can drive a car and also a two wheeler. Not a hypertensive or a Diabetic. Aged 86 years. Never had any major illnesses except an attack of chichen pox and enteric fever with a relapse in my younger adult hood. Married and having 5 children aghed 56 to46, all healthy. Your help please.