Peter Attia· MD
a person shows up and they have a normal fasting insulin say it's five and their fasting glucose is say 90. you challenge them with 75 to 100 grams of glucose but say 30 or 60 minutes later their fasting glucose is 200 their insulin is 70. we call that insulin resistance and we impute from that that something has broken down in the pathway that prevents their muscle from taking in glucose