Sciencespeaking topic

Hunger is triggered largely not by the brain but by a hormone; when your stomach empties it's released and says 'eat now.' But the same hormone also sharpens memory and learning. Is thinking more clearly on an empty stomach a coincidence, or a setting left over from our hunter ancestors?

ghrelin / hunger and cognition

practice with this topic

Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.