Rhonda Patrick· PhD
it seems as though like the the the best is getting getting the The Best of Both Worlds so you want vigorous intensity about 80% max heart rate but you also want duration so you want to get like 30 to 40 minutes of that is the most robust at increasing brain Drive neurotropic Factor as measured in plasma and people but 20 minutes will also increase it as well just 30 to 40 minutes does it even more