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by SalmoShalazar 1558 days ago
Yes identifying the exact “calories out” number would be a monumental task. That said, we have a very strong understanding of the ballpark amount of calories it takes to keep your body alive and working for a single day - it’s around 1800, give or take a few hundred calories depending on a few features that you mentioned. With this in mind, it is simple to run a calorie deficit, even if you don’t know exactly how much that number is.