FN1021 - Controversies 1 - 7.docx

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Foods and Nutrition
Foods and Nutrition 1021
Noelle Martin

Controversies Chapter 1 – Sorting The Impostors From The Real Nutrition Experts  Nutrition Fraud / Quackery: promotion for financial gain of false services / products without proof of safety and effectiveness  Advertorials, anecdotal evidence, infomercials, urban legends  Only trust websites .gov and .edu and registered dietitians (RD) Chapter 2 – Phytochemicals & Functional Foods  Phytochemicals: plants compounds of carrying out biological / biochemical activity within the body when consumed  Refined foods do not have phytochemicals  Help prevent the forming of potential carcinogens, oppose forming of cancer in the body  All foods are functional to some extent – all have taste, aroma, and nutritive value  Functional Foods: appear similar to conventional foods and consumed as part of a usual diet with psychological benefits / ability to reduce risk of chronic disease  Large doses of purified phytochemicals added to foods may produce effects vastly different from those of the phytochemicals in whole foods  Eat more fruit, increase vegetable portions, use herbs & spices, replace some meat, add grated vegetables, try new foods Chapter 3 – Alcohol & Nutrition  People who should not drink at all – children / adolescents, empty stomach, cannot moderate, pregnant / breast-feeding, drivers, medicated, medical conditions  Canadian diet should include no more than 5% of total energy as alcohol, or two drinks daily  Increase urine output, depresses brain’s production of antidiuretic hormone  Liver makes alcohol dehydrogenase to metabolize alcohol  In contrast to some possible benefits of moderate alcohol consumption, excessive alcohol consumption presents a great potential for harm  PROs: lower chance of heart disease with 1 – 2 drinks a day, red wine has health supporting properties and promote restful sleep while improving morale  CONs: provides empty calories, disrupts tissue’s metabolism of nutrients, alcoholics need nutrition therapy, decreases appetite Chapter 4 – Sugar & Alternative Sweeteners  DRI recommends a max of 25% of the carbohydrate intake to be from sugars  Sugar does not make you obese, diabetic, kills your heart, or hyper  Sugar contributes to dental caries  Sugar alcohols have low calories that occur naturally in vegetables and fruits, low GI and do not cause tooth decay but can act as a laxative  Artificial sweeteners are synthetic sweeteners made with close to 0 calories that are toxic above ADI  People with dia
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