[XorNot]

Why is Michael Rea considered exceptional here? For that height and weight, that's pretty much bang on what you'd expect as a maintenance level of calories assuming he does any physical activity at all.

[paulpauper]

trying to get that low of a weight would entail significant metabolic adaptation, which calculators do not account for. Take a 180lb 6-foot male and try to get him to 115 and you can be sure it will take way fewer than 1900.

[ses1984]

The question isn’t getting there, it’s staying there.

[paulpauper]

They are master practitioners of Calorie Restriction, a diet whose central, radical premise is that the less you eat, the longer you’ll live.

It would seem like it is intentional, going by the article. They are trying to lose weight to maximize lifespan.

[ses1984]

I’m not sure what’s in the article, I can’t read it because of a paywall, but I don’t see anywhere in the comments here discussion of Rea losing more weight, it just says he eats 1900 and he’s 6’ 115lbs.