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Your brain (apparently) won't recognize you are getting fat so you have to -- gasp-- think about it actively and do something about it. Sorry, chub. No free pass for overeating.
And capitalism makes you poorer by telling your social group that you're not poor, but consuming your way to the happiness of success.
Pie + Sky = Sheep on Earth
This reminds me of alcoholics who can't tell how drunk they are but continue drinking. Just because the body isn't reading the signals does no mean they aren't knowingly abusing the substance.
The fault still lies squarely on the person reaching for the bottle. You know it's bad for you, but you're still doing it, regardless of the signals.
So don't eat such fatty foods all the time. Exercise.
Manual override.
conversely, humans manipulating African rat behavior could be argued to be cruel and devious, esp. if done by Christians.
LOL!
But I agree with others: Time to engage Manual Override. It ain't obviously going to fix itself on it's own.
All that "insulation" talk is rubbish. Basically, the high fat diet causes one kind of neuron to lose synapses. Glia (non-neuron brain cells) move in to take up the space where the lost axons were, which is their job, and once all the glia are in place, they make it harder for the fat-signal cells to be in contact with the blood-brain barrier and get feedback from the blood.
Misusing the word "insulation" this way is problematic problematic because there is literal, electric insulation in the brain -- made of fat, basically -- that surrounds axons and makes their electrical impulses speedier. This finding would be better explained in terms of a physical impediment in a feedback loop.
I realize nobody cares, but this kind of thing irks me.
..."Obese people are not necessarily lacking willpower. Their brains do not know how full or how much fat they have stored, so the brain does not tell the body to stop refuelling. Subsequently, their body's ability to lose weight is significantly reduced."
he says that obese people are not lacking willpower. then he goes on to explain exactly how obese people are lacking willpower. if their brains aren't telling them to stop eating by telling them they're full, the only way they will stop eating is to use their powers of observation (wow, there was a whole pizza here when i sat down) plus their intellect (eating a whole pizza in one sitting is a bad idea) to stop eating. that's precisely what willpower is. and that's precisely what is required in the absense of other signals from the brain.
seriously. people are dumb.
The things you learn when you have a horrible disease that attacks the fat (myelin sheath) in your central nervous system.
The more high fat food we sell the public the more demand we create for even more food sales -- an insidious feedback loop of ever increasing profits! (and waistlines)
And, from looking at THIS infographic, you'd almost think someone planned it that way...
Robert Lustig's entertaining YouTube seminar on fructose and leptins is better at explaining how the body's signals to stop eating are shut off than a few paragraphs describing an Australian study.