Entrepreneurs who tell you that certain foods make your stomach or blood acidic don't understand how your body works. Drinking alkaline water does not affect blood acidity or pH.

Your stomach is so acidic that no food can change its acidity. Citrus fruits, vinegar, and vitamins such as ascorbic acid or folic acid do not change the acidity of your stomach or your bloodstream. An entire bottle of antacids will not change the acidity of your stomach for more than a few minutes.

Your pancreas produces strong antacids that neutralize stomach acids after they leave your stomach. Your bloodstream and organs control acidity in a very narrow range. Anything that changes acidity in your body will make you very sick and can even kill you. Certain foods can leave end products called ash that can make your urine acid or alkaline, but urine is the only body fluid that food can change its acidity. You cannot change the acidity of the rest of your body without harming yourself.

Cranberries have been shown to help prevent recurrent urinary tract infections, but not by changing acidity. They contain chemicals that block adhesins and prevent bacteria from sticking to urinary tract cells.

When you take in more protein than your body needs, your body cannot store it. The excess amino acids are converted to organic acids that would acidify you blood. But this is immediately corrected by drawing calcium from your bones. That's why many scientists feel that taking in too much protein weakens bones and can cause osteoporosis.

ALKALINE-ASH FOODS include fresh fruit and raw vegetables. ACID-ASH FOODS include ALL ANIMAL PRODUCTS, whole grains, beans and other seeds. But the whole concept of acidity is nonsense and has no effect whatever on your body.

Checked 5/3/07

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