How come weight is affected by calories, and not the weight of the food? If I eat a bag of candy, I will gain weight, but if I eat 4 apples, I won’t gain as much?
In: Biology
As far as I know, your body only processes fat, carbohydrates, protein, and alcohol for it’s calories. Fiber actually contains calories but your digestive system can’t process them, so you poop them out instead.
Fat and carbohydrates in particular, if not used immediately, end up being stored as fat, so they can be used for later.
I could go into how carbohydrates and fat are metabolized differently, but that might go a little paste the 5 year old range.
As far as apples are concerned, they contain some sugars, but the majority of their weight is water, which you pee out, and fiber, which you poop out.
I hope this answers your question. Feel free to ask for more clarification.
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