i love food!!!!! nutrients and nutrition fact or myth
TRANSCRIPT
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I LOVE FOOD!!!!!Nutrients and nutrition
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FACT OR MYTH
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1. Drinking lots of water will help me lose weight
2. If I have a cold, I should take extra vitamin C
3. Junk food is bad for you.
4. If you are trying to lose weight, you should eat fat-free foods
5. All calories are the same.
6. It is better to eat in the morning than at night
7. Certain people can eat more than other people.
8. Americans are getting fatter with each
generation.
9. All bodies have a “Set point” at which they will stop losing weight.
10.Dietary supplements are very beneficial in
helping you lose weight.
11.Vitamin and mineral supplements (pills) are essential to helping you grow right.
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Drinking lots of water will help me lose weight
• Water essential to body for dissolved chemicals and as a medium for chemical reactions
• Only helps in weight loss by creating a “full” feeling
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If you are trying to lose weight, you should eat fat-free foods
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CARBOHYDRATES
1. Used for energy
2. 4.18 cal/gram
3. Sugars, starches
4. 46 % of the average American diet
5. Broken down to simple sugars (glucose)
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PROTEINS
1. Used for building and energy
2. 4.32 cal/gram
3. Meats, dairy, legumes
4. Broken down to amino acids
5. Essential amino acids are those not synthesized by human body
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FATS
1. Needed for hormone development, cell membranes, on a larger scale for insulation and energy storage
2. 9.32 cal/gram3. Broken down into fatty acids and glycerol4. Saturated (animal fat), unsaturated (plant
oils), polyunsaturated, trans fatty acids (in fast foods and margarine),
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All calories are the same.
It is better to eat in the morning than at night
• A calorie is simply a unit of measure of heat energy.
• When you take in calories doesn’t really matter just how many per day. Intake>output=weight gainIntake<output =weight loss
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Junk food is bad for you
• Only if you are overeating calories or are genetically prone to blood cholesterol problems
• “Junk food” just has lots of calories per mouthful/stomachful
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If I have a cold, I should take extra vitamin C
Vitamin and mineral supplements (pills) are essential
to helping you grow right
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Vitamins
1. Serve as coenzymes in chemical reactions
2. Mostly defined by what happens if you don’t get them ex. Lack of vitamin C=scurvy
3. Found in most foods in small amounts
4. Water-soluble-dissolve in water 1. C, B-complex
5. Fat-soluble-stored in fat1. A,D,E,K
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Minerals
1. Usually ions needed for normal metabolism
2. Found in most foods
3. Defined by problems that arise when they are missing ex. Goiter with no iodine,
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1. Americans are getting fatter?2. All bodies have a set point
• Eventually you will stop losing weight, when you have used up your adequate stores of energy