Mila Posted October 30, 2021 Share Posted October 30, 2021 I know there is proof of the calories in and calories out method of weight loss but even if you take a group of 10 people and put them on the exact same calories and activity/exercise, some will lose fat faster than others. This is the same for gaining weight (muscle or fat) as well. Why do you think this is? 1 Quote Link to comment Share on other sites More sharing options...
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