Calorie Density Rising

[rye]

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[PJK]

Is a 50-calorie difference over 30 years really that significant?

Remember, a calorie doesn't physically exist as a particle in our food, so it's tricky to measure and often is just an estimate.

It's the amount of energy needed to raise the temperature of 1 gram of water by 1 degree C.

[rye]

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[VeggieSue]

It sounds like you're kind of suggesting that measuring the energy in food is unreliable.

That's what Jeff Novick has been saying for years. You can ask him about it over on his own forum and he'll tell you himself.