[aruanan]

I mean, if someone tested human stool for the presence of fats, would the tests prove negative? That is, does the body completely absorb all fats that the digestive system encounters? I can see this feature would have proven itself useful during times of starvation.

Unless one has some sort of small bowel disease, absorption of nutrients is almost 100 percent. That's why is usually so easy to put on weight. It's possible to eat a huge fatty meal and have some fat make it through in the stools, but this isn't the case in normal intestinal function. And some of the fats seen in the stool may come from intestinal bacteria making short chain fatty acids that are necessary for maintaining gut health.

[MyTwoCopperCoins]

Oh, that’s interesting!

Thanks!