Ask Dr. D'Adamo

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Questions About The Diets

Fat In The O Diet


I have type O blood and was on a diet very close to the type O diet for many years, with cholesterol of 126. Then I had a heart attack and my physicians put me on a vegan (type A) diet, on which I have lost 60 pounds, but my cholesterol went up to 244. I'm concerned about the amount of saturated fat on a type O diet. Thanks.


Not a problem (as you can tell) if you are using lean, organic meats and exercising. By the way, an increase in cholesterol in type O vegans is not uncommon, probably a response of excess insulin production (because, as my colleague Greg Kelly says, "Most vege-tarians are in reality starch-etarians."). Hyperinsulinemia has twice the risk factor for heart disease as elevated cholesterol and would be much more of a threat to you.

The Ask Dr. D'Adamo internet advice column ran from 1996 to 2009, at which time Dr. D'Adamo's teaching and programming responsibilities no longer allowed him to devote time and resources to directly answering visitor questions. However we've recently reorganized this treasure-trove of material and made it again available to his readership. He occasionally posts new entries. These are marked with a NEW tag.

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