RE:Article: Death by Veganism - rebuttal?

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John McDougall, MD - Letter to the Editor - NY Times

 

 

The New York Times today (May 21, 2007) carried an Op-Ed piece about the

dangers of a vegan diet, titled " Death by Veganism, " that deserves an

immediate response:

 

For the original article see:

http://www.nytimes.com/2007/05/21/opinion/21planck.html?_r=1

<http://www.nytimes.com/2007/05/21/opinion/21planck.html?_r=1 & oref=slogin>

& oref=slogin

 

This article, written by Nina Planck, who is identified as a food writer and

expert on farmers markets and local food, stems from the case of a recent

murder conviction of parents who starved their 6 week old child to death by

feeding him a diet of apple juice and soy milk. She writes on her web site,

" Among many sources for this piece, I interviewed a family practitioner who

treats many vegetarian and vegan families. "

 

For the story of the child's death see:

<http://query.nytimes.com/gst/fullpage.html?sec=health & res=9F0DE0D71438F936A

35757C0A9659C8B63>

http://query.nytimes.com/gst/fullpage.html?sec=health & res=9F0DE0D71438F936A3

5757C0A9659C8B63

 

Here is the 150 word letter to the editor that I sent to the New York Times

(chances of publication by the newspaper are obviously small):

 

Nina Planck's article condemning vegan diet contains serious errors

concerning the adequacy of plant foods. Plants do contain all the essential

amino acids in adequate quantities to meet human needs, and even those of

children (Millward). Vitamin D is not found in milk or meat, unless it is

added during manufacturing. Sunlight is the proper source of this vitamin.

Plants manufacture beta-carotene, the precursor of vitamin A. The original

source of all minerals (including calcium and zinc) is the ground. Plants

are abundant in minerals; and they act as the conduit of minerals to

animals. The scientific truth is protein, essential amino acid, mineral,

and vitamin (except for B12 which is synthesized by bacteria, not animals)

deficiencies are never caused by a diet based on whole plant foods when

calorie needs are met. Ms. Planck's distortion of nutritional science is a

serious matter that needs to be fixed.

 

Reference: Millward DJ. The nutritional value of plant-based diets in

relation to human amino acid and protein requirements. Proc Nutr Soc. 1999

May;58(2):249-60.

 

Addition comments not sent to the newspaper.

 

Nina Planck writes: " You cannot create and nourish a robust baby merely on

foods from plants. "

 

The scientific truth is: Babies at 6 weeks of age require human breast milk

and any other diet means malnutrition. Imagine if the exact opposite

approach killed an infant with a formula made of pulverized beef and cow's

milk, would this have received similar worldwide press? I believe the case

would have been properly considered child neglect (intentional or not) and

have gone unnoticed except for those intimately involved. " People love to

hear good news about their bad habits " so the tragedy of the death of an

infant caused by misguided parents who fed their infant apple juice and soy

milk for the first 6 weeks of life has been used to justify eating meat and

drinking cow's milk.

 

Nina Planck writes: Protein deficiency is one danger of a vegan diet for

babies. Nutritionists used to speak of proteins as " first class " (from meat,

fish, eggs and milk) and " second class " (from plants), but today this is

considered denigrating to vegetarians.

 

The scientific truth is: Confusion about our protein needs came from studies

of the nutritional needs of animals. Mendel and Osborne in 1913 reported

rats grew better on animal, than on vegetable, sources of protein. A direct

consequence of their studies resulted in meat, eggs, and dairy foods being

classified as superior, or " Class A " protein sources and vegetable proteins

designated as inferior, or " Class B " proteins. Seems no one considered that

rats are not people. One obvious difference in their nutritional needs is

rat milk is 11 times more concentrated in protein than is human breast milk.

The extra protein supports this animal's rapid growth to adult size in 5

months; while humans take 17 years to fully mature. The world's authority

on human protein needs, Prof. Joseph Millward, wrote the following:

" Contrary to general opinion, the distinction between diet ary protein

sources in terms of the nutritional superiority of animal over plant

proteins is much more difficult to demonstrate and less relevant in human

nutrition. " (References in my April 2007 newsletter.)

 

Nina Planck writes: The fact remains, though, that humans prefer animal

proteins and fats to cereals and tubers, because they contain all the

essential amino acids needed for life in the right ratio. This is not true

of plant proteins, which are inferior in quantity and quality - even soy.

 

The scientific truth is: Proteins function as structural materials which

build the scaffoldings that maintain cell shapes, enzymes which catalyze

biochemical reactions, and hormones which signal messages between cells-to

name only a few of their vital roles. Since plants are made up of

structurally sound cells with enzymes and hormones, they are by nature rich

sources of proteins. In fact, so rich are plants that they can meet the

protein needs of the earth's largest animals: elephants, hippopotamuses,

giraffes, and cows. You would be correct to deduce that the protein needs

of relatively small humans can easily be met by plants. (References in my

April 2007 newsletter.)

 

Nina Planck writes: Yet even a breast-fed baby is at risk. Studies show that

vegan breast milk lacks enough docosahexaenoic acid, or DHA, the omega-3 fat

found in fatty fish.

 

The scientific truth is: Only plants can synthesize essential fats. Any DHA

found in animals had its origin from a plant (as alpha linolenic acid). The

human body has no difficulty converting plant-derived omega-3 fat, alpha

linolenic acid, into DHA or other n-3 fatty acids, supplying our needs even

during gestation and infancy.

 

Reference:

<http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed & cmd=Retrieve & dopt=A

bstractPlus & list_uids=16869985 & query_hl=4 & itool=pubmed_docsum> Langdon JH.

Has an aquatic diet been necessary for hominin brain evolution and

functional development? Br J Nutr. 2006 Jul;96(1):7-17.

 

Mothers who eat the Western diet pass dangerous loads of environmental

contaminants through their breast milk to their infants. Meat, dairy and

fish in her diet are the source of 80% to 90% of these toxic chemicals. The

cleanest and healthiest milk is made by mothers eating a starch-based vegan

diet.

 

Nina Planck writes: A vegan diet is equally dangerous for weaned babies and

toddlers, who need plenty of protein and calcium.

 

The scientific truth is: Infants should be exclusively breast fed until age

6 months and then partially breast fed until approximately 2 years of age.

Starches, fruits, and vegetables should be added after the age of 6 months.

The addition of cow's milk causes problems as common as constipation and as

devastating as type-1 diabetes. (See my May 2003 newsletter on Marketing

Milk and Disease.) Adding meat to an infant's diet is one of the main

reasons all children raised on the Western diet have the beginnings of

atherosclerosis by the age of 2 years.

 

Nina Planck writes: " An adult who was well-nourished in utero and in infancy

may choose to get by on a vegan diet, but babies are built from protein,

calcium, cholesterol and fish oil. "

 

The scientific truth is: Babies are ideally built from mother's breast milk

initially and then from whole foods. Hopefully, parents will realize that

the healthiest diet for the entire family (after weaning) is based on

starches with the addition of fruits and vegetables. (Vitamin B12 is added

to the diet of pregnant or nursing mothers and after 3 years of following a

plant-based diet strictly.)

 

Nina Planck has been allowed by the New York Times to exploit the tragedy of

a family and to spread commonly held, but scientifically incorrect,

information on human nutrition. The author and the newspaper should be held

accountable. Hopefully, the end result will be that people desiring the

truth will take the trouble to look at the evidence. If this were to be the

case, then this New York Times article could be the beginning of long

overdue changes in the ways people eat. Write and tell everyone you know

that the New York Times has done a sloppy job, and damage to the public, by

allowing harmful lies to be spread-especially when you consider that

Planck's message promotes a diet known to cause obesity, type-2 diabetes,

heart disease, and major cancers.

 

John McDougall, MD

http://www.drmcdougall.com/

May 21, 2007

 

 

C2007 John McDougall

McDougall Wellness Center P.O. Box 14039, Santa Rosa, CA 95402

<http://www.drmcdougall.com/> http://www.drmcdougall.com

 

 

 

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