I've long been a fan of time-limited self-experiments, but I've typically done 21 or 30-day experiments. Recently I stumbled across a YouTube series featuring a woman, Lucie Fink, who does five ...

I've long been a fan of time-limited self-experiments, but I've typically done 21 or 30-day experiments. Recently I stumbled across a YouTube series featuring a woman, Lucie Fink, who does five ...