Nutrition 1020

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Author:
faulkner116
ID:
204990
Filename:
Nutrition 1020
Updated:
2013-03-04 19:00:40
Tags:
Module3
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Description:
Cancer 3.5
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  1. Lipids in Cancer

    Cancer is the 2nd leading
    cause of death in Americans.

    • It is characterized by uncontrolled cell growth.

    • It occurs through a process of initiation,promotion, and progression.
  2. Increased Cancer Risk by Lifestyle Practices
    Smoking tobacco, UV light, Obesity,Sedentary Lifestyle
  3. Increased Cancer Risk by Dietary Practices
    – ~ 45% of all cancer deaths are diet-related

    – Low F&V, antioxidant nutrient, & fiber intake

    – High total fat and PUFA, sodium intake

    – P:S ≥3:1 + high fat diet = cancer risk

    – P:S ≤0.33:1 (or ≤1:3) + high fat diet = heart disease risk
  4. Sample P:S Ratio Calculation
    • • Kathy ate a high fat diet.
    • --– 104 gm PUFA & 30 gm SFA

    • • What is her P:S ratio?
    • --104 ÷ 30 = 3.47. This # is placed in the P position of the ratio
    • -– The S position is always assigned the # 1

    • The P:S is 3.47:1

    • • Is the ratio increasing disease risk?
    • -– This P:S ratio is increasing risk for cancer
    • -– Remember that you do want enough PUFA to get your essential (linoleic and alpha-linolenic)fatty acid needs met.

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