How much energy does your brain use?

Your brain is the consistency of soft butter and is made up of over 100 billion (100,000,000,000) brain cells or neurons, and 900 billion glial cells. read more

An adult brain uses approximately 110 calories per pound, per day. The average adult brain weighs about 3 pounds and burns roughly 330 calories daily. By comparison, skeletal muscle in your arms, legs, chest, etc., burns approximately 6 calories per pound per day at rest, but can burn significantly more during physical activity. read more

Their goal: to determine whether ATP production is linked to brain activity by measuring the energy expended during different levels of consciousness. Sure enough, ATP levels appeared to vary with brain activity. read more