Even something as commonplace as chewing more carelessly will result in finding seeds in your faeces.
But what's the point of giving you more specific examples? You seem to be eager to "no true scotsman" your way out of this by labelling every example of varying calorie consumption as an exception.
Even the top article referenced in this wikipedia article admits it's based on a study of bushmen who -- surprise surprise -- were in very healthy average weight and also did tremendous physical activity. What a coincidence. But sure, keep telling yourself exercise doesn't matter and it's all about Calories In Calories Out and that the body is as trivial and simple a machine as an internal combustion engine.
But what's the point of giving you more specific examples? You seem to be eager to "no true scotsman" your way out of this by labelling every example of varying calorie consumption as an exception.
Even the top article referenced in this wikipedia article admits it's based on a study of bushmen who -- surprise surprise -- were in very healthy average weight and also did tremendous physical activity. What a coincidence. But sure, keep telling yourself exercise doesn't matter and it's all about Calories In Calories Out and that the body is as trivial and simple a machine as an internal combustion engine.