eli5: why do we need to workout to be jacked, why cant our bodies make us naturally shredded
In: 90
Because it’s intensive in terms of energy expenditure.
You can tell because in order to “trick” your body into growing muscle mass you need a combination of two things: strenuous workouts and abundant, healthy, caloric food.
Your body would then think “it seems that larger muscles would help in my daily life; does it make sense to take the risk and use the calories to grow them, instead of storing fat? will I need my fat reserves soon?” if the answer is “there is plenty of food everyday, go ahead” then your muscles grow. If the answer is uncertain (even just because you are sleeping poorly and the body things this is due to a harder time in your life, which used to be mostly because of uncertain food sources), then your body will rather store the calories as fat, just in case.
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