Isn't being "underweight" generally shown to reduce the speed of aging
Yes, people have been trying this the "old fashioned way" since the 90s https://en.wikipedia.org/wiki/CRON-diet
Came here to say this. Also caloric deficits.
Yeah but that's hard, they need the magic pill
alt Hacker News
Yes, people have been trying this the "old fashioned way" since the 90s https://en.wikipedia.org/wiki/CRON-diet