One Hair has a Nerve that is Attached to a Muscle = Pain which means Fall My doctor has ask me to take 50,000 unit of D3 once a week for life and Oscal-D twice a day dor life. I have a bad back 5 surgeries cervical Lumbar and now the Theoretic. , Hyperreflexia , Lupus, Myolopathy, short term memory lost. Spams and redoplopthy weak muscles, and pain all over. I also have double vision.