1. Shivering in legs- when doing some exercises my legs started shivering and I will feel like my legs are weak like during sitting down on ground ..noise coming from my legs and I can't sit on ground after 10 min...it started pain....
I'm a 26 year old male, I recently got my test done of BMD and Vitamin D. My vitamin D levels are 15.9 and I'm diagnosed with osteopenia. is it reversible, how can it be done? how critical the condition is?