Peter Attia· MD
as long as your glucose is about 50 uh your brain is happy so this is actually in in the evolution of the human being this is phenomenal because in the old days you may not eat for you you may Slaughter one of these beasts that yeah you're not eating for days you're not eating for days so your glucose would drop so if your normal fasting was 80 uh if it dropped to 40 you were okay because your brain saturated at 40 if you got below 40 you're in trouble