Good question. It’s very likely safe to assume that we have an adaptive variance for these kinds of things, but it would still be a very small range. If you’ve heard it, it was probably supported by a study that indicates that correlation. For the most part, it’s something you’ll almost never even see. Iirc, the minimum healthy, functional bmi for men is 5%, 12% for women, as I was taught years ago. Anything below those ranges and things start to get weird, or it would take great effort and water/diet restrictions to maintain. The point being, anyone who says they’re 0%, or even like 3%, has no idea what they’re talking about. Thanks for having this discussion with me!
You kind of answered your own question. There are a lot of conditions and feedbacks needed for stasis. As any are pushed to or beyond their limits, a cascade occurs, having catastrophic effects. Body temp regulation is one of the most dire, as we can’t survive for long below a certain temp. Regarding that, burn victims can actually die from hypothermia if not treated immediately following 3rd degree burns, due to the amount of fat and skin cells lost to burns. I hope some of this made sense. I’m digging deep to remember, but it’s been a while. Cheers