Hello, Nan! ~ some good news for you: Live Right’s type O section shows red wine as Neutral for secretors and Beneficial for nonsecretors. This more recent book is all about the differences between the two secretor states, and their impact upon diet and lifestyle. Additionally, recent research accounts for some updates in food status. Thanks for writing!!

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I have read your first book (1996) in French and your second book (2002) in English. Can you kindly clear up some discrepancies? I am bloodgroup AB. 1. Trout is considered beneficial in the first book, and to be avoided in the second. 2. Pepper and vinegar "too acid" in the first book, not recommended. A few pages later balsamique, cidre, red wine vinegar is said to be neutral, white and black pepper "whole" to be avoided - what about red and green pepper, and "crushed"? (I love pepper, vinegar - and coffee...) 3. Your first book recommends as "very beneficial" one or two cups of light coffee per day which is good for AB's low stomach acid. Your second book states "avoid coffee". Has new research shown a different result? Type setting error? 4. The "standard menu" for losing weight in the first book says "some parmesan cheese on your salad" - why? if parmesan is to be avoided for bloodgroup AB?? Thank you for enlightening me. Angela

Greetings, Angela ~~ The seven-year span between the two books represents significant research and testing/retesting of various food items. Second, the Live Right book uses secretor status to further refine the lists, while the more recent individual Food & Supplement Lists were written to accommodate those who do not plan to learn their secretor status. The most recent food lists are in Live Right with the modifications noted on the Updates Page (also linked in the "Library" section on the front page of this site.

Any color of peppercorn (the spice) falls under the listing for "peppercorn." If you are looking for the vegetable "pepper," it is included in the vegetables category of the food lists -- not the spices. The rating for coffee is correct in Live Right, and I suspect the parmesan was intended as a "tiny treat." :-D

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Hi! I am following my bloodtype diet faithfully and have seen dramatic results in my health and condition. I am an O secretor with chronic sinus problems including nose polyps. According to the diet, bananas are beneficial for a secretor, yet I have been told to stay away from bananas as they produce mucous. Should I use them as beneficial or keep well away? Thank you for your time. Anna

Hi, Anna ~~ The bottom line here is: DO bananas produce mucus for You? If you find they do, feel free not to eat them. They are not a vital part of the type O diet. If you find they do not, you've got your answer! :-) Just avoid them for a week or two, then eat a couple and monitor what happens within an hour or two. I wouldn't be surprised if eliminating avoid grains and dairy entirely will clear up your sinus problems in pretty short order. Keep me advised on your progress!!

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I have some questions about milk for O's. I know it's forbidden, but I wondered about products like lactaid? Also, since a little butter is allowed, what about creme? And isn't yogurt already digested? Why would Romano be allowed, but not Parmesan? Thanks. Ann

Hello, Ann ~ "Lactaid" (the enzyme lactase) addresses the lactose (milk sugar) issue by breaking down lactose into glucose and galactose. Most Os and As lose the ability to produce lactase in early childhood (4 to 5 years of age). Why would we adults want to eat the enzyme in order to rinse ourselves with type B sugar (galactose!?!) :-} Additionally, lactase won't do anything about the proteins (caseins & whey) from the milk, which we cannot fully digest. Butter goes through a process of separation of the milk FAT from the proteins. Even better is ghee, in which all one has left is the butyrate, a wonderful thing for the digestion and a perfectly buttery-tasting food. Yogurt? Fermentation uses up the sugars, once again, not the proteins. And why is romano OK, but parmesano is not? Good question! Where did you see that romano is OK? I can't seem to find that listing in any of my books.... Do let me know where you found it! :-)

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Whew!! Thanks once again, everyone!!

In the United States of America, today is Thanksgiving Day ~ a national holiday whose origins I am ashamed to say I did not learn until this year! Always assumed it had something to do with Pilgrims and Indians... although the last Thursday in November seemed a little late in the season for a harvest festival. Thanks to a friend, I learned that President Lincoln instituted the holiday's current date (originally celebrated on August 6, 1624 according to the diaries of the first Pilgrim colony's governor, William Bradford). My best wishes for a joyful Thanksgiving to you all!





By the President of the United States of America.



Washington, D.C.

October 3, 1863



A Proclamation.



The year that is drawing towards its close, has been filled with the blessings of fruitful fields and healthful skies. To these bounties, which are so constantly enjoyed that we are prone to forget the source from which they come, others have been added, which are of so extraordinary a nature, that they cannot fail to penetrate and soften even the heart which is habitually insensible to the ever watchful providence of Almighty God. In the midst of a civil war of unequaled magnitude and severity, which has sometimes seemed to foreign States to invite and to provoke their aggression, peace has been preserved with all nations, order has been maintained, the laws have been respected and obeyed, and harmony has prevailed everywhere except in the theatre of military conflict; while that theatre has been greatly contracted by the advancing armies and navies of the Union. Needful diversions of wealth and of strength from the fields of peaceful industry to the national defence, have not arrested the plough, the shuttle or the ship; the axe has enlarged the borders of our settlements, and the mines, as well of iron and coal as of the precious metals, have yielded even more abundantly than heretofore. Population has steadily increased, notwithstanding the waste that has been made in the camp, the siege and the battle-field; and the country, rejoicing in the consiousness of augmented strength and vigor, is permitted to expect continuance of years with large increase of freedom. No human counsel hath devised nor hath any mortal hand worked out these great things. They are the gracious gifts of the Most High God, who, while dealing with us in anger for our sins, hath nevertheless remembered mercy. It has seemed to me fit and proper that they should be solemnly, reverently and gratefully acknowledged as with one heart and one voice by the whole American People. I do therefore invite my fellow citizens in every part of the United States, and also those who are at sea and those who are sojourning in foreign lands, to set apart and observe the last Thursday of November next, as a day of Thanksgiving and Praise to our beneficent Father who dwelleth in the Heavens. And I recommend to them that while offering up the ascriptions justly due to Him for such singular deliverances and blessings, they do also, with humble penitence for our national perverseness and disobedience, commend to His tender care all those who have become widows, orphans, mourners or sufferers in the lamentable civil strife in which we are unavoidably engaged, and fervently implore the interposition of the Almighty Hand to heal the wounds of the nation and to restore it as soon as may be consistent with the Divine purposes to the full enjoyment of peace, harmony, tranquillity and Union.



In testimony whereof, I have hereunto set my hand and caused the Seal of the United States to be affixed.



Done at the City of Washington, this Third day of October, in the year of our Lord one thousand eight hundred and sixty-three, and of the Independence of the Unites States the Eighty-eighth.



By the President: Abraham Lincoln

Hi there, I have been following Peter's A eating plan for the last 6 years, with brilliant results. I also use the ABO eating plan exclusively in my clinic, also with very good results. My question is academic...I am currently conducting a research project on patient compliance to diet/exercise programs and whether these programs lead to longer term lifestyle changes and ultimate health rewards. I am somewhat biased in my beliefs on this subject, but sadly my own experience needs to be backed up with other studies as well. Can you please direct me to any such studies on the ABO diet? I look forward to hearing from you. Thank you very much. Regards, Cally (P.S. Please send Peter my best wishes, I admire his work and know how important it is. I met him during his visit to Queensland a few years ago).





Hello, Cally ~ I'm posting your question here to alert Peter to your request ~ as a nonprofessional, I do not have his access to resources and research that you are seeking. I do want to thank you so much for sharing your experiences on the BTD plan and with your patients! I'm heartened each time I hear of another clinician using Peter's work in professional practice. If you have a minute or two, I'd love to see your clinic in our Practitioner Registry ~ here is the link to the entry form, or just drop me a message and I'll be glad to enter it for you. Once again, kudos on your pioneering work there in Queensland!





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Is there a link between blood type B positive and candida? I have both. The reason why I ask is the foods I'm supposed to eat as a B and candida patient overlap. Eugenia





Hi, Eugenia ~ Type O individuals, and all nonsecretors, are disadvantaged with a susceptibility to this condition ~ it's possible you are a nonsecretor, who appear to make up at least 50% of Candidiasis sufferers although they represent only 15-20% of the general population. I'm glad the food sheets you've been given fit well with the B plan. The customary GP recommendations are not designed along blood type needs, but rather for "anyone" with a Candida overgrowth, so in this case you're fortunate! Please let me know if you want any further suggestions for intestinal re-balancing. I hope your condition improves, and soon!!



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Heidi, The question and your response on August 20 made me think of a similar question I have had concerning fish. LR4YT recommends that frozen fish should be avoided, as the content of polyamines in it is much higher than fresh fish. I have found it difficult to locate a good local source of fresh beneficial fish for my families O blood type. I have found a very good and convenient source of frozen cod fillets that I have been using for several months. I really like the packaging because the fillets are individually sealed and frozen so I can easily thaw what I need for the next day. My question is am I better off eating or not eating the frozen fish if I don't have a source of fresh fish? In other words, how serious is the polyamine issue in frozen fish assuming that I am very compliant with my BTD and eat the frozen fish maybe on average once every other day? Thank you Don





Hi, Don! The fish you're eating has the oils and proteins intact, and I want you to keep eating it because it is an important part of your O diet. :-) Anyone who depends on frozen fish (and there are many of us who do), just take a teaspoon of black cherry or elderberry concentrate before the meal ~ routs out those pesky polyamines a treat. If you have some ProBerry3 liquid on hand, take a teaspoon of that. Tastiest flu-chaser and polyamine hound ever designed. :-D By the way, I got your note about the secretor tests for your family. Wow, ALL type O Rhesus-negative secretors! You are blessed indeed!

~:-> ( << does that little face look a bit envious? :-D )





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Dr. D'Adamo, I have recently been diagnosed with Crohn's disease. According to the book "Controlling Crohn's disease the natural way" by Virginia Harper, who healed herself from this disease (20 years without any symptoms), a good option for me would be to start a microbiotic diet (that is the way she got over the disease). The microbiotic diet emphasises the use of sea vegetables + fish, but avoids meat all together. I am a -type- O and am really wonderong if meat would decelarate my healing process, because it is very difficult to digest for me at this moment, my digestive tract is quite sensitive. Could you please give me some advice on this. Thank you so much for your time! I more than appreciate it! Catheline







Hello, Catheline ~~ If the diet mentioned in the book (which I have not read) is "microbiotic," not "macrobiotic," then I am not familiar with it. Do bear in mind that the vast majority of off-the-shelf how-to-cure-yourself protocols do not take into account the biological diversity of the human population. Virginia Harper may be a type A or AB secretor. You may be a type O nonsecretor. Her approach may have worked wonders for her and yet do little or nothing for you. However, type Os are encouraged to eat fish, seaweeds, green vegetables, with small quantities of whole grains such as rice. Be sure to get adequate fresh flax and olive oil each day, following the portions and frequencies listed in Live Right 4 Your Type. Use her protocol, but observe the type O avoids. Eat as much fish (and eggs) as you need. Also, you may find the advice I passed on regarding colitis in a previous column to be highly effective in your case. Scroll down to the portion printed in blue ~ that's the relevant part. Good health to you, Catheline, and please let me know what works or doesn't work for you. Take care! :-)



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Thanks once again, everyone!! Picked out yer T-day turkey yet? :-D