- lepin is released by fat cells & gives the brain a reading of fat stores.
- obese people have high leptin levels, but their appetite still seems high; injecting obese people with leptin seldom causes them to loose weight.
- leptin injections encourage stressed or depressed rats to drink coke, i mean sugary liquid.
- leptin levels and appetite are low p>0.5 in depressed people.
items 2-4 are not in accord with the stated purpose of leptin (1). |