Andrew Huberman· PhD
there's two systems — uh short-term system and a long-term system that are primarily localized to different parts of the brain operate on different time scales one on the time scale of a meal so 10 20 minutes — uh and the other on the time scale of sort of weeks to months to years and tracks levels of body fat and these two systems sort of interact so that so that these short-term behaviors we do eating are matched to our long-term need for energy