Best Fitness, sleep & longevity Videos
The 51 Fitness, sleep & longevity videos here were recommended by different people across different months. Choose by who it is for: 8 introductory, 7 intermediate, 36 for a general viewer, and 0 for someone who wants the harder derivation. Most of them are an explainer. What they share is that one picture or analogy is used to supply a missing concept. Channels you will keep seeing include FoundMyFitness, PowerfulJRE, Andrew Huberman.

I Love Helmets
A one-minute skateboarding clip with a wreck in which a helmet likely prevented serious injury.

The '5kg in 50 days' Diet!
Thunderf00t applies a simple energy mass balance to weight loss, showing how much exercise is needed to burn off extra calories compared with eating less.

Rhonda Patrick: Nutrigenomics, Epigenetics, and Stress Tolerance
Rhonda Patrick gives an IHMC talk on how genetic variation affects micronutrient absorption and metabolism, and how diet changes gene expression.