Review of
Instaread Summary, Analysis & Review of Peter J.
D’Adamo's Eat Right for Your Type The
Individualized Diet Solution to Staying Healthy, Living Longer & Achieving
Your Ideal Weight
One out of five stars
I spent far
more time evaluating this summary than I normally do. The topic of blood type
(the standard set of A, B, AB, O), how they evolved and the differential role
they play in physiology is on the surface a fascinating one. Therefore, I did a
lot of online research in evaluating the claims made in the book as expressed
in the summary.
Unfortunately,
my conclusions were that it is largely unsubstantiated pseudo-scientific nonsense.
Some of the very contradictions appear in the summary itself. For example, key
takeaway five contains the following two contradictory phrases:
“Blood type plays a role in how individuals react to
everyday stressors.”
“Although there has been little scientific
investigation into the link between blood type and stress response, . . . “
This illustrates the form of the summary, a statement
is made as if it has been established, followed by another that clearly states
that it has not. Or no real evidence in support.
I found some
research linking some of the other blood types to resistance to specific
diseases, but nothing solid regarding blood types affecting the relative efficacy
of the consumption of specific foods. There is nothing in the list of
references (scientific literature) cited in the summary supporting the primary
theme of eating to your blood type. There is also no critical analysis in the
summary, unusual because there is no scientific evidence to support the claims.
The best
comments that I discovered about the content of the book (the significance of
blood types) is:
“Isn’t it amazing?” says Ajit Varki, a biologist at
the University of California, San Diego. “Almost a hundred years after the
Nobel Prize was awarded for this discovery, we still don’t know exactly what
they’re for.”
“There is no direct evidence supporting the health
effects of the ABO blood type diet,” says Emmy De Buck of the Belgian Red
Cross-Flanders.”
Both of these quotes are from
and are consistent with all the other scientific
literature I could find. The second comment was made after a thorough examination
of over 1000 studies examining links between blood types and diet.
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