Peter Attia· MD
so the brain so exercise increases brain derived neurotrophic Factor in many different parts of the body in many different organs and tissues and it's really interesting because there's some evidence that the sheer force of blood flow so essentially like the more vigorous you are exercising your blood is just your heart's pumping right and your blood is just going faster right it's moving faster well that sheer force on the actual endothelial cells lining the blood vessels is a signal to increase bdnf as well super interesting stuff there but um it also increases bdnf you know in in muscle which it plays a role in repairing damaged muscle it's it increases in plasma brain Drive neurotrophic Factor although there's a little controversy controversy about this it can cross the blood-brain barrier and it also is produced in the brain as well