Hey fellow worriers,

lately my muscles have been feeling weirdly tired. I have been walking about an hour and a half each day which I guess is more than what I would typically walk when I was in university. BUT I used to be able to run and not feel this same burning. At the end of the day my muscles start burning particularly in my calfs, but sometimes if I am on the computer my arm muscles also start to burn. What is going on?

Am I just paying too much attention to my body? Does anyone else have this? I also experience constant twitching - not sure if this is related!