I'm 58 but when I was your age, I, too, felt just like you. I would work because I was a single mom and had to work, but when I came home, I was useless. I didn't have any energy. Luckily I was working in a doctor's office and he picked up on my symptoms. Found out that my tyroid was all out of wack. If your tyroid isn't working properly, you have no energy, you are cold all the time. A simple blood test will show if this could be your problem. I take medicine daily and problem solved. I hope this helps.

