Comment: It's not the acidity of the food that is important, it's the

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It's not the acidity of the food that is important, it's the

acidity of the blood as a result of eating the food that matters.

Your body is effectively an alkaline battery. If you blood tends toward acidity, the body will start breaking down.

There's a short book Alkalize Yourself which describes which foods produce an acidic condition in the blood and which produce an alkaline condition. Some foods that produce an alkaline condition are themselves acidic.

An example of how the body tries to maintain an alkaline state and eating acid producing foods destroys the body is excessive intake of animal proteins.

Eating most animal proteins, milk in particular, result in acidic blood. To neutralize this, the body pulls calcium out of your bones. (manufactured by your bones for the very purpose of keeping the blood alkaline)

If you eat too much animal proteins, and especially those that produce a stronger acid level, then you'll pull more calcium out of your bones than your bones can produce - resulting in osteoporosis. (among other things)

Yes, drinking milk will cause osteoporosis. (the calcium in the milk is not in a readily digestible dietary form. It isn't even enough to counter the acid produced by digesting the milk proteins, thus you are guaranteed a net negative calcium level by drinking it) If you want good digestible calcium to counter animal protein acidity, eat dark green leafy vegetables with your meats. (broccoli, kale, collards, mustard greens, chard)

The acid from eating those proteins is first produced in the stomach and gut as the proteins are broken down. Excessive acid in the stomach can cause a reflux condition, which left unchecked will tear up the throat and lead to esophageal cancer.

You don't have to eliminate ALL meat or animal proteins, and certainly not all of them are "worst offenders" but our bodies weren't made for a diet which consist MOSTLY of animal proteins.

I'd say though that the larger problem isn't the proportion of animal to plant proteins one ingests, but rather that most people are still likely eating the vast majority of their diet in the form of prepackaged food laced with all sorts of things you were never meant to eat in any significant quantity.

Switch to a diet of fresh (if not homegrown) food first, then start altering the animal/plant ratio.

There's also research that combination of foods is a critical consideration. For example, mixing animal proteins and grains is a no-no. But animal protein and veggies mix fine as well as veggies and grains. Just don't mix grains and animals in the same meal. And only eat fruits and nuts as snacks in between - not with the meal.