Re: Does too much protein in the diet increase cancer risk?


coonskin@xxxxxxxxxxx wrote:
This study looks at cancer risk by amount of protein consumed and the
total calories and exercise. Amount of protein relates to amount of a
growth factor related to risk of cancer which is reflected in the 3
groups studied. This raises questions about ratios of the 3 macro
nutrients and the sources and forms consumed of them.

http://mednews.wustl.edu/news/page/normal/8388.html?emailID=12304

Actually it looks at small samples of people who are given very rough
dietary guidelines to follow and then measures levels of plasma growth
factors and certain hormones that *may* (or may not) indicate some risk
of cancers. That is about as small a study looking at as indirect
markers as I've seen in a long time. Hardly definitive. Very poor
science at best.

The authors are:

Fontana L, Klein S, Holloszy JO. Long-term low-protein, low-calorie
diet and endurance exercise modulat metabolic factors associated with
cancer risk. American Journal of Clinical Nutrition, vol. 84; pp.
1456-1462, December 2006.

Samuel Klein, M.D., Washington University School of Medicine.
Participated in a 9/96 meeting of gastroenterologists sponsored by
Procter & Gamble that resulted in a paper, Reg. Toxicol. Pharmacol.
26:210-218 (1997). Research support from ILSI (1988-89; $30,000); Ross
Laboratories (1991-94; $86,000); Sandias (1992-93; $12,000);
Alimentarics, Inc. (1996-97; $100,000) (from 1997 resumé)

***

Any involvement to ILSI makes this researcher very suspect as far as
being a real scientist and not just another salesman/marketer.

http://cspinet.org/integrity/nonprofits/international_life_sciences_institute.html

INTERNATIONAL LIFE SCIENCES INSTITUTE

Founded "in 1978 to work toward a safer, healthier world. ILSI is a
worldwide foundation that is making a difference in public health by
advancing the understanding of scientific issues related to nutrition,
food safety, toxicology, and the environment. ILSI is governed by an
Assembly of Members, which includes one representative from each of its
more than 400 member companies, and an elected Board of Trustees of
renowned scientists from academia and industry, all of whom volunteer
their time and expertise. ILSI members represent the world's leading
manufacturers of food and food ingredients, chemicals, pharmaceuticals,
and other consumer products." (http://www.ilsi.org/about/; September
22, 2000) ILSI has branches in about a dozen other countries/regions.

In 2006, the World Health Organization excluded ILSI from WHO
committees that set global standards for food and water supplies
because of links between ILSI membership and funding from the
commercial sector. (Clapp, Stephen. "ILSI excluded from WHO
standard-setting activities," Food Chemical News, 2/13/06).

ILSI has received funding from the alcoholic beverage industry.
(Addiction. 2001;96:197-202)

ILSI's fall, 1996, N.Y. Academy of Science conference on fat
substitutes was funded in part by Procter & Gamble (Mother Jones,
May/June, 1997, p.14).

Members of ILSI North America:

3M Microbiology
Ajinomoto U.S.A., Inc.
Archer Daniels Midland Company
BASF Corporation
Campbell Soup Company
Cargill, Incorporated
CNS, Inc.
The Coca-Cola Company
Colgate-Palmolive Company
ConAgra Foods
CTI Foods
Danisco USA, Inc.
DSM Nutritional Products Inc.
DuPont Haskell Laboratory
General Mills, Inc.
Gerber Products Company
GlaxoSmithKline Research
H.J. Heinz Company
Hershey Foods Corporation
International Flavors & Fragrances, Inc.
Johnson & Johnson
Kellogg Company
Kraft Foods, Inc.
Masterfoods USA
McCormick & Company, Inc.
McNeil Nutritionals
Mead Johnson Nutritionals
Monsanto Company
National Starch and Chemical Company
Nestlé USA, Inc.
Novozymes North America, Inc.
The NutraSweet Company
Nutrinova, Inc.
Ocean Spray Cranberries, Inc.
The Pepsi-Cola Company
Pfizer, Inc.
The Proctor & Gamble Company
Red Bull North America
Renessen LLC
Roche Vitamins, Inc.
Ross Products Division/Abbott Laboratories
Sethness Products Company
Tate & Lyle North America
Unilever Bestfoods North America
Wm. Wrigley Jr. Company
(http://www.ilsi.org/misc/NAassem.pdf; accessed 4/11/06)

*******

TC

.

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