NEUR3112 Lecture Notes - Lecture 26: Energy Economics, Catabolism, Glycogen
Document Summary
Lack of o2 in the brain causes rapid unconsciousness. > if you cut off supply, you lose consciousness in something like. Energy stores are tightly regulated to maintain constant supply of nutrients especially glucose for the brain. Rats will naturally eat the amount that they need, and will generally not lose weight unless starved, or gain weight unless force fed. It causes heart disease, type 2 diabetes, cancer, and osteoarthritis. Life expectancy reduced by 9 years if obese (31% of adults) In australia 67% of adults (75% of men and 60% of women) are overweight or obese. 25% of children are overweight or obese; 46% of 18 24 year olds. Brain has huge control over what we eat, and how much we eat -> not all hormonally controlled -> lipostatic hypothesis not quite the same in humans. Neuronal connections from the gut to the brain (peripheral nerves and cn vii -> vagus nerve.
