This is sometimes even lazier than not providing sources.
There's always waste. If not I'd been a lot fatter than I am because at times I ate much more calories than I burned.
What is true is that a steady calorie deficit will cause weight loss in the long run, and can to some degree be calculated and predicted.
Calculating the effects of calorie surplus on the other hand is a bit harder.
BTW: https://www.google.no/search?&q=absorbtion+and+metabolism+of...
This is sometimes even lazier than not providing sources.
There's always waste. If not I'd been a lot fatter than I am because at times I ate much more calories than I burned.
What is true is that a steady calorie deficit will cause weight loss in the long run, and can to some degree be calculated and predicted.
Calculating the effects of calorie surplus on the other hand is a bit harder.
BTW: https://www.google.no/search?&q=absorbtion+and+metabolism+of...