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Lecture 2

HLSC 1F90 Lecture Notes - Lecture 2: Nut Butter, Chocolate-Covered Raisin, Canadian Food Inspection Agency


Department
Health Sciences
Course Code
HLSC 1F90
Professor
Dr.Kelli-an Lawrance
Lecture
2

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HLSC1F90
Jan.14th,2016
EatingtoLiveorLivingtoEat?
*Doyouthinkyoueatahealthydiet?
Answer:No
Nutrition
Thescienceoffoodsandthesubstancestheycontain
howfoodnourishesourbody
howfoodinfluencesourhealth
Provideenergyandnutrients
Usedbythebodyformaintenance,growth,andrepair
Importanceofnutrition
Nutritionisoneofseveralfactorscontributingtohealth
Canpreventorreduceriskfordiseases
Maybecauseofdiseases
Diseasesinwhichnutritionplayssomerole
Osteoporosis
Osteoarthritis
Someformsofcancer
Diseaseswithastrongnutritionalcomponent
Type2diabetes
Heartdisease
Highbloodpressure
Obesity
Diseasescausedbynutritionaldeficienciesor
excesses
Scurvy
Irondeficiencyanemia
Hypercalcemia
Primarydeficiencycausedbyinadequatedietor
secondarydeficiencycausedbyprobleminthebody
Diesthistory
Healthhistory
Decliningnutrientstores
Labtests
Abnormalfunctionsinsidebody
Labtests
Physical(outward)signsandsymptoms
Physicalexamination
Top10Canadiankillers
Cancer
HeartDisease

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Strokes
Accidents
Chroniclungdisease
Diabetesmellitus
Alzheimer’s
Influenzaandpneumonia
Mentalhealth
Liverdisease
RiskFactors
Tobacco
Poordiet/inactivity
Alcohol
Microbialagents
Toxicagents
MotorVehicles
Firearms
Sexualbehaviour
Illicitdrugs
Nutrients
Dietneededtomaintainhealthandreduceriskofdiseasesrequiresavarietyoffoodsthat
containnutrients
Whatarethesenutrients
*Whichofthefollowingisnotanutrient?
Answer:Alcohol
Whatarethemainnutrients:
Carbohydrates
Lipids
Protein
Vitamins
Minerals
Water
Nutrientsubclasses:
Essentialvsnonessential
Macronutrientvs.micronutrient
Energyproducingvsnonenergyproducing
Essentialvsnonessential
Essential
obtainedfromdietcan’tmanufacturethemormakeenough

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eg.waterorvitaminD
Nonessential
bodycanmakesufficientquantities
eg.cholesterol
Macronutrientvs.micronutrient
Macronutrient
requiredinlargeamounts(g)
carbs,lipids,protein,water
Micronutrient
requiredinsmallquantities
Vitamins,minerals
*Whichofthefollowingdoesnotcontainenergy?
Answer:Minerals
Energycontainingnutrients
Energycontaining
carbs,lipids,proteinandalcohol
Nonenergycontaining
vitamins,mineralsandwater
energyfromenergycontainingnutrients
Energy
Thecapacitytodowork
Expressedinkilocalories
amountofenergy(heat)requiredtoraise1kgofwaterby1degreecelsiusat
sealevel
Carbohydrates
simplestunitisglucose(consideredessential)
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