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360 pages, Paperback
First published January 10, 2022
It's through this burning technique--called a calorimeter and first invented in 1780-that scientists can measure the calories in anything. The coal that your grandfather shovels onto the fire stands proudly at 3.5 million calories per pound (because it burns very slowly and releases a lot of heat). A 500-page book, on the other hand, isn't the best choice if you're trying to heat water: it contains only half a calorie (because a book turns to ashes very quickly and in the process doesn't produce much heat).
Now, get this: recall from part 1 that fructose is worse for us than glucose - it overwhelms our liver, turns to fat, precipitates insulin resistance, makes us gain more weight than glucose, and doesn't make us feel as full. As a result, since agave has more fructose than table sugar does, it is actually worse for our health than table sugar.
You shouldn't have any negative side effects as long as you stick to drinkable vinegar — i.e., vinegar with 5 percent acidity (cleaning vinegar has 6% acidity, so if it's next to the mops and toilet paper at the supermarket, don't drink it!)
But all vinegars work identically on our glucose, so pick the one you please.