Originally Posted by BendtheBar
My personal opinion is that some of this this is due to insulin efficiency, or lack thereof. Their metabolisms are faster because that energy isn't getting stored into fat cells, which keeps them thinner.
I am battling this right now. I believe my metabolism problems are really do to decreased efficiency due to years of carb overkill.
SO by keeping your carbs low(er) than that of the average person on a 2k calorie diet which is like 300g of carbs a day, so can thus maintain a healthy/active metabolism in later years of life
^That is like 30% a question, 70% a statement with no scientific research...lol