question: i have had bad low back pain for years all the time. I m tired all the time my legs go numb at times along with hands. also cold weather effects pain mre espically rain and snow and notice my hands shake at times along with twitching. I m trying figure what s wrong my mri came back normal. this low back pain has me depressed all the time I m 34 yrs old. do you know what thia could be?