vlmd rounds 28 2 months ago10 views Brain Metabolism: What happens to Glucose in the Brain The Brain is only 2% of body mass and consumes over 20% of the body’s glucose. How does it handle the glucose? Why is it that neurons take up 80-90% of the total energy in the brain but don’t take up most of the glucose? How is the brain similar to muscle? Learn about Brain Metabolism and find out some of the brain’s secrets in this episode of vlmd rounds.