I found this on a blog I follow called Strong-Fit-Beautiful. I found this very informative and interesting, It really tells you what is going on in your body. I hope it helps you out.
We all know that calories play a big part in the fitness – and not just in losing, gaining or maintaining your weight. It can be a delicate balance; both too much and too little can cause your body to hang on to extra fat (your body can only burn off so much – but at the same time, too few will send you into “starvation mode.”)
I came across this great overview, and wanted to pass it along:
You can check out the original here.