why do my muscles crack all of the time?

Feel tired all the time and my muscles ache? I have headaches and my back and upper forearms hurt bad

I've had problems with my back for a while,and I noticed that everytime they prescribe muscle relaxer,or "flexorant" they onl...

Is cracking your knuckles bad for you? This is a question that just bugs me. It seems to relax me somehow when I crack my mu...

I did 100 sit ups last nite, I usually do about 20 sit ups for gymnastics, and now my stomach muscles are kiling me! did I p...

people can have gingivitis even if they brush their teeth many times and use listerine.

When december started my bones started cracking every move that I make. Is that supposed to happen?? And I started cracking...

Right so I've got a slight pain in my right side.. Which I mainly only get when I get up from sitting down... Yano using basi...

should I workout in the morning or the evening? or does it not even matter. Like in the evening I'd workout from like 7-9 a...

sometimes i feel so sad and other times i feel happy. I have been off crack for about 3 months. its not like i was a "rock st...

Do you bleed if you get fingered for the first time?