Have so much pain in my legs. 2 or 3 years se hota h or chalne ka dhang b bigda hua h.Or roj hand practice ho jati h night me. Me apni legs ki pain vgra s bahut pareshan hun or sahi se chala b nai jata pain ki wagah s or mera body ka posture bhi bigda hua hai. Please tell me what can I do ki m apni hand practice ko rok paun or mere andar vitamin d ki bhi bahut zada kami hai.