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17 Cards in this Set
- Front
- Back
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Is there any food or nutrient that is the answer for preventing or curing chronic disease?
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No
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Functions of sodium
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- maintains fluid balance, blood pressure, CNS, muscle contraction
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Are sodium intakes for canadians too high?
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- yes
- 66.2%+ canadians are consuming sodium levels above the tolerable intake level (UL) |
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What is the RDA for sodium
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There isn't one, AI 1500mg/day for adults 14-50
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What is the risk of excessive sodium intake?
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- hypertension which is a risk factor for:
>stroke >CVD > renal disease - high blood pressure (children) - increased propensity toward high salt foods |
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Where does most the sodium in canadian diet come from?
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- 88% not naturally present
- processed foods 77% - table salt 6% - cooking salt 5% |
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What are some natural sources of caffeine?
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- coffee bean
- tea - kola - guarana berry - yerba mate |
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What are some common food sources of caffeine?
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- coffee (60%)
- tea (30%) (30% for children) - chocolate (14% children) - colas (55% for children) - energy drinks - bars |
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Why is there a concern about caffeine intakes?
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- tolerance is variable
- can cause insomnia, irritability, nervousness, inhibit Ca abs - children and women of child bearing age may be particularly sensitive |
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What are the recommended intakes for caffeine for children, childbearing age women and adults?
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healthy adult 400mg/day
children <12: <=2.5mg/kg body weight women of cb age: 300 mg/day |
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Potential problem in consuming energy drinks
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- very high levels of caffeine
- high levels of vitamins and nutrients - potentially harmful ingredients like taurine and hidden caffeine |
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What is taurine?
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- sulphur containing amino acid
- derived from cysteine (non essential) - dietary source: eggs, meat, seafood |
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What are some beneficial/adverse effects of taurine?
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- required for bile acid synthesis, antioxidant, CV function
- beneficial effects: CV disease and athletic performance - adverse effects: removal of excess nitrogen (kidney can't keep up) |
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Bottom line on energy drinks?
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- not for children or preg women
- mod intake - read label for hidden caffeine and taurine - watch hydration - do not drink with alcohol |
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What is really in vitamin waters?
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- refined sugar mostly (100% of calories)
- some potassium - vitamins added can be easily aquired through food sources - NO fruit juices ==> empty calorie drink! |
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What is happy water?
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- water with lithium, potassium and magnesium added
- alkaline pH of 7.4 - claims to promote neurogenesis (not back up) |
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Benefits of following food guide?
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- age/sex appropriate amounts
- takes into account chronic disease rqt - evidenced based - considers food intake patterns |
