i learned a simple equation in one of my health classes:
food comsumption (carbs, fats, protien, calories) = physical activity (exercising, walking, sports: basically burning energy)
if one is greater than the other, more physical activity, then fat should be cut down, vice versa, if one eats more than they burn, they will gain weight.
most diets from what i know help control the intake/consumption, if they just diet and not use the energy, then the results are minimal. we eat for the energy, which inturn should be used. some eat because they can appreciate a good meal, so they ontinue to eat. there are cases where people have a naturally fast metabolism, so they can eat whatever and not gain weight, i wish i was like that.
just my $.02
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