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    Facts about dietary fat


    Posted by .(JavaScript must be enabled to view this email address)
    Friday, May 21, 2004 7:28 am Email this article
    Here is a summary of research findings about the effects of omega-3 and -6 fatty acids on breast cancer, colon cancer, prostate cancer, diabetes, cholesterol.

    BREAST CANCER AND PROSTATE CANCER

    REFERENCE

    Rose DP. Effects of dietary fatty acids on breast and prostate cancers: evidence from in vitro experiments and animal studies. American Journal of Clinical Nutrition, 1997 Dec, 66(6 Suppl):1513S-1522S.


    However, at least one study has found that monounsaturated fat (like found in olive oil and canola oil) reduces the risk of breast cancer, whereas polyunsaturated fat (like found in corn oil) increases the risk (Wolk et al, 1998).

    They found that a 10 gram increase in daily monounsaturated fat intake, the equivalent of about 1 tablespoon, was associated with a 55 percent decreased risk of breast cancer.

    For every 5 gram increase in polyunsaturated fat there was a 69 percent increase in breast cancer risk.

    Saturated fat was not associated with the risk of breast cancer.

    The study followed 61,471 Swedish women ages 40 to 76 years for an average of 4 years.

    OMEGA-3 FATTY ACIDS AND CLA PROTECT AGAINST CANCER

    REFERENCES

    Ip C. Review of the effects of trans fatty acids, oleic acid, n-3 polyunsaturated fatty acids, and conjugated linoleic acid on mammary carcinogenesis in animals. American Journal of Clinical Nutrition, 1997 Dec, 66(6 Suppl):1523S-1529S.

    Wolk A, Bergstrom R, Hunter D, Willett W, Ljung H, Holmberg L, Bergkvist L, Bruce A, Adami HO. A prospective study of association of monounsaturated fat and other types of fat with risk of breast cancer. Archives of Internal Medicine, 1998 Jan 12, 158(1):41-5.


    COLON CANCER

    Klurfeld DM, Bull AW. Fatty acids and colon cancer in experimental models. American Journal of Clinical Nutrition, 1997 Dec, 66(6 Suppl):1530S-1538S.


    OMEGA-3’S PROTECT AGAINST BREAST CANCER

    REFERENCE

    Kohlmeier L. Biomarkers of fatty acid exposure and breast cancer risk. American Journal of Clinical Nutrition, 1997 Dec, 66(6 Suppl):1548S-1556S.


    BREAST CANCER AND PROSTATE CANCER

    REFERENCE

    Willett WC. Specific fatty acids and risks of breast and prostate cancer: dietary intake. American Journal of Clinical Nutrition, 1997 Dec, 66(6 Suppl):1557S-1563S.


    HIGH CALORIE DIET AND RED MEAT INCREASE COLON CANCER

    REFERENCE

    Giovannucci E, Goldin B. The role of fat, fatty acids, and total energy intake in the etiology of human colon cancer. American Journal of Clinical Nutrition, 1997 Dec, 66(6 Suppl):1564S-1571S.


    REFERENCE

    Dwyer JT. Human studies on the effects of fatty acids on cancer: summary, gaps, and future research. American Journal of Clinical Nutrition, 1997 Dec, 66(6 Suppl):1581S-1586S.


    RECOMMENDED FAT INTAKE: POLYUNSATURATED 7%, OLEIC ACID 15%, TOTAL FAT 30%

    REFERENCE

    Grundy SM. What is the desirable ratio of saturated, polyunsaturated, and monounsaturated fatty acids in the diet? American Journal of Clinical Nutrition, 1997 Oct, 66(4 Suppl):988S-990S.


    OMEGA-3’S MAY REDUCE RISK OF DIABETES

    REFERENCE

    Berry EM. Dietary fatty acids in the management of diabetes mellitus. American Journal of Clinical Nutrition, 1997 Oct, 66(4 Suppl):991S-997S.


    HIGH FAT DIETS INCREASE PROSTATE CANCER MORE THAN BREAST CANCER

    REFERENCE

    Rose DP. Dietary fatty acids and cancer. American Journal of Clinical Nutrition, 1997 Oct, 66(4 Suppl):998S-1003S.


    TRANS FATS INHIBIT METABOLISM OF OTHER FATS

    Ascherio A, Willett WC. Health effects of trans fatty acids. American Journal of Clinical Nutrition, 1997 Oct, 66(4 Suppl):1006S-1010S.


    PREMATURE TO SAY TRANS FATS CAUSE 30,000 DEATHS PER YEAR

    REFERENCE

    Shapiro S. Do trans fatty acids increase the risk of coronary artery disease? A critique of the epidemiologic evidence. American Journal of Clinical Nutrition, 1997 Oct, 66(4 Suppl):1011S-1017S.

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