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NTS 135 Aaron' - Food For Thought Aaron Howerton Nutrition Science 135 1 Question Are Americans exposed to toxic chemicals in their food and

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1 Food For Thought Aaron Howerton Nutrition Science - 135
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Question Are Americans exposed to toxic chemicals in their food and environment ? The answer is yes ! - We are exposed to 70,000 chemicals…. .20,000 are known cancer causers (carcinogens) - 1.2 billion lbs. of fertilizers sprayed on our food per year - 90 billion lbs. of toxic waste dumped in waste sites yearly - 9 million lbs. of antibiotics given to farm animals yearly 2 Source:  Patrick Quillin, Ph.D.-  Beating Cancer With Nutrition
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Question o Bioactive chemicals in _____________ and ______________     are known to:     - deactivate carcinogens in the body ( prevent cancer )     - regulate  the cell replication cycle so cancer cells        don’t   multiply out of control     -  stimulate  the immune system     - quench free radicals (unstable oxygen molecules)     - enhance cell-to-cell communication Name these two food categories: - fruits  - vegetables 3 NTS 135 : Aaron Howerton
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The Amazing Body It is amazing what our body deals with on a daily basis in the prevention of cancer ! - Dr. Bruce Ames at UC Berkeley estimates that each of our body’s 60+ trillion cells: * undergoes 1,000 to 10,000 “hits” (damage) on the cells DNA (this increases the risk of illness and cancer if the body does not correct the damaged DNA) * this can be from virus / bacteria * this can be from free radicals (reactive oxygen molecules attacking the cells) 4
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Question Name that sweetener:      - It’s an herb and has been used in South America for 1500 years - It has no calories - It’s 25 times sweeter than sugar (sucrose) - It may help regulate blood glucose - It’s known to lower blood pressure - It may help block absorption of fat in the GI tract - It has no known side effects or health concerns This sweetener is ?? Stevia (stevia rebaudiana) 5 NTS 135:  Aaron Howerton
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Question Name that sweetener: - The FDA received more complaints about adverse physical         reactions to this food ingredient than any other in its         history !!    - About 30% of the U.S. population seems to be sensitive      to moderate amounts of this sweetener    - This sweetener is the product of combining two amino       acids ( phenylalanine and aspartic acid )    - High levels of phenylalanine can cause brain damage    - This sweetener is linked to  hypertension , dizziness,       memory loss,  attention difficulties , slurred speech,       throat swelling, diabetes,  ovarian cancer , brain tumors Name this sweetener: Aspartame (Nutrasweet, Equal) 6
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7 Aaron Howerton - Nutrition  Concepts and Controversies
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Question Could a high carbohydrate / sugar diet accelerate aging? -
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This note was uploaded on 02/06/2011 for the course NTS 135 taught by Professor George during the Spring '11 term at N. Arizona.

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NTS 135 Aaron' - Food For Thought Aaron Howerton Nutrition Science 135 1 Question Are Americans exposed to toxic chemicals in their food and

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