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Comment Re:Isn't this why we have Mexicans? (Score 1) 75

When I first heard about "artificial pancreas" being tested it was exactly this; a device comprising pancreatic cells (not even necessarily biocompatible with the host) contained within some osmotic-type membrane which could pass chemicals through it but was impermeable to anything bigger (such as cells). I believe there may have been proof-of-concept type things constructed in a lab but haven't heard of anything futher.

Comment Re: This reminds me of a great Simpsons episode (Score 1) 625

The full fat people had more grehlin levels in their blood. In fact, the grehlin levels were the correct amounts for how many calories the person thought they were consuming, not how many they actually consumed. So, it can be quite complicated.

Explains why diet coke makes you feel less hungry if you don't think about it being diet coke. Well, that and the whole caffeine-being-an-appetite-suppressant thing.

Yes, there are things that affect your feeling of satiety other than raw calories in/out. They are complicated and I don't claim to be an expert on them. However, the total amount of energy that you can take in is capped at the amount of calories you eat. If you eat fewer calories than you burn then you will lose weight. There is really no argument against this.

Comment Re:Analog : Digital :: Embedded : Software Eng. (Score 1) 236

Not sure what you mean here. If anything I'm on the other end, I currently do industrial automation which is 90% just product integration with COTS modules. I'm actively working to get back to lower level electronics and PCB design because I want to be able to optimise things at that level.

I'm definitely not saying there's no place for analog designs, I just mean that an increasing proportion of things are done digitally out of convenience where before they'd have been built with opamps and... stuff. Yeah I don't claim to be an analog wizard, doesn't mean I don't respect and somewhat envy them.

Comment Re:This reminds me of a great Simpsons episode (Score 1) 625

You seem confused. I don't blame my behaviour on it, I merely mention that it's a contributing factor. I never said it's not my fault, either - if it wasn't my fault I wouldn't apologise, even tacitly.

If you want to read anything into that combination of quotes, it should be "fractoid cares less about upsetting random slashdotters than he does about not getting fat."

Comment Re:This reminds me of a great Simpsons episode (Score 1) 625

Calorie restriction relative to expenditure is the only effective weight loss strategy and it is universally effective when applied. Note that I'm not getting into issues of willpower etc. I'm just talking about basic physical facts. If you eat more calories than you burn then you will gain weight. If you eat fewer calories than you burn then you will lose weight. It's the law of conservation of energy.

If you want to get into matters of which weight loss method is psychologically easier or more likely for people to actually follow in practice, then that's where hormones and type of calories etc. come into play. This certainly effects how feasible various strategies are for unsupervised humans to implement on their own. It does not change how effective a given daily calorie limit will be on producing weight gain or loss.

Comment Re: This reminds me of a great Simpsons episode (Score 2) 625

It is that simple (this isn't even biology, it's the laws of thermodynamics). People burn roughly 6500 to 9000 kJ per 24h period while resting. That doesn't change the fact that if you, personally, eat fewer kilojoules than you burn then you WILL lose weight. If you don't lose weight, then it is because you didn't eat fewer kilojoules than you burned. There's no grey area here, it's a physical law.

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