On: Jason Fung explains why intermittent fasting diets...

[amanaplanacanal]

You say that like measuring calories in/out is an easy thing to do :-) For most people it absolutely is not, on either end of that.

[electrograv → amanaplanacanal]

Case in point: I’ve not met a single person who (in addition to measuring calorie intake) captures all the content deposited in their toilet, and measures it all every day in a bomb calorimeter :)

[base698 → electrograv]

You off-gas a lot of carbon when you exhale, so it's not a fair comparison.