chapter 5 nutrition and your health *substances in food that the body needs to function properly*...
TRANSCRIPT
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Chapter 5Nutrition and Your Health
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*SUBSTANCES IN FOOD THAT THE BODY NEEDSTO FUNCTION PROPERLY*
“NUTRITION: THE PROCESS BY WHICH THE BODY TAKES IN AND USES FOOD”
NUTRIENTS
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CALORIES“UNITS OF HEAT THATMEASURE THE ENERGYUSED BY THE BODYAND THE ENERGY THATFOODS SUPPLY TO THE BODY”
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“A NATURAL PHYSICALDRIVE THAT PROTECTSYOU FROM STARVATION”
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“A DESIRE, RATHERTHAN A NEED, TO EAT”
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CARBOHYDRATES*THE BODY’S PREFERRED SOURCE OFENERGY, OR CALORIES*
CARBS CAN INCLUDE:SUGARSSTARCHESFIBER
55-65% OF YOUR CALORIES SHOULDCOME FROM CARBS
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GOOD SOURCES OF COMPLEx CARBSINCLUDE VEGETABLES, PASTA, SEEDS,AND NUTS.
SUGARS, OR SIMPLE CARBS, AREPRESENT NATURALLY IN MANY FOODS, INCLUDING FRUITS, SOMEVEGGIES AND MILK
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FIBER DIETARY FIBER IS ANOTHER FORM OFCOMPLEX CARBOHYDRATE
*FIBER IS THE TOUGH STRINGY PARTOF VEGETABLES, FRUITS AND GRAINS*
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*FIBER HELPS MOVE WASTE THROUGHYOUR DIGESTIVE SYSTEM.* EATING ENOUGH FIBER THROUGHOUT LIFE MAYHELP YOU AVOID CANCER.
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*FATSTHE NUTRIENT FAT HAS SEVERALIMPORTANT FUNCTIONS IN HEALTH
*FAT IS KNOWN BY THE SCIENTIFICNAME LIPID* LIPIDS ARE FATTY SUBSTANCES THATDO NOT DISOLVE IN WATER
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THERE ARE TWO TYPES OF FATS
*SATURATED FATS- ANIMAL FATS* SUCH AS MEATS, DAIRY FOODS, PORK AND EGG YOLKS
*UNSATURATED FATS-THIS INCLUDES MOST VEGETABLE FATS….OILS*
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*FATS CARRY FAT- SOLUBLEVITAMINS A D E AND K INTO YOURBLOOD.*
WITHOUT FATS OUR BODIES COULDNOT USE THESE NUTRIENTS
FATS ADD FLAVOR AND HELP TOSATISFY HUNGER. FATS SURROUND AND CUSHION YOURVITAL ORGANS
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ALMOST EVERY FOOD HAS SOME FAT -ATLEAST IN VERY SMALL AMOUNTSVISABLE FATS - BUTTER, VEG. OIL,FAT LAYER ON MEAT, ACCOUNT FOR ABOUT 40% OF THE FAT IN OUR DIET.
MANY FATS ARE HIDDEN IN FOODSCHOCOLATE, SEEDS, NUTS, EGG YOLKS, ICE CREAM, SOUPS , ANDDOUGHNUTS ALL HAVE HIDDEN FATS
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*CHOLESTEROL IS A FAT LIKE SUBSTANCE*
IN MANY WAYS CHOLESTEROLRESEMBLES FAT. BECAUSE THE HUMAN LIVER CAN MAKE CHOLESTEROL IT NEEDS, IT IS NOTCONSIDERED A NUTRIENT. THE BODY USES CHOLESTEROL TO PRODUCE CERTAIN HORMONES, VIT D, AND PROTECTS NERVE FIBERS
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IN SOME PEOPLE THE BODY MAKES TOO MUCH CHOLESTEROL. HIGH CHLOSTEROL IS A FACTOR IN HEART AND OTHER CIRCULATORY DISEASES.
SOME PEOPLE TAKE MEDICATION TOLOWER THEIR LEVEL OF CHOLESTEROL
PEOPLE CAN ALSO LOWER THEIRCHOLESTEROL BY CUTTING OUT CERTAIN FOODS IN THEIR DIETS
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*PROTEINS- ARE A VITAL PART OF EVERY BODY CELL*
MUSCLE, BONE CONNECTIVE TISSUE, TEETH, SKIN, BLOOD, AND ALL VITAL ORGANS CONTAIN PROTEIN.
YOUR BODY USES PROTEINS MAINLYFOR BUILDING AND MAINTAINING ALL BODY TISSUES.
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*SOURCES OF PROTEINSMEATS, FISH, POULTRY, EGGS, MILK,CHEESE, YOGURT*
SEEDS AND NUTS ARE THE BESTSOURCE OF PLANT PROTEINS.HOWEVER, NO SINGLE PLANT PROTEIN HAS ENOUGH PROTEIN
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*VITAMINS- ARE KNOW AS MICRO-NUTRIENTS* BECAUSE THEY ARE NEEDED IN SMALL AMOUNTS.
VITAMINS HELP REGULATE MANYVITAL BODY PROCESSES. THEY DONOT SUPPLY CALORIES.
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TWO TYPES OF VITAMINS
*WATER-SOLUBLE -DISOLVE IN WATER VIT B AND C* *FAT-SOLUBLE - ABSORBED AND TRANSPORTED BY FAT (VIT A, D, E, AND K*
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MINERALS - SUBSTANCES THAT THE BODY CANNOT MANUFACTURESOME IMPORTANT MINERALSSODIUM,CHLORINE AND POTASSIUMBANANAS AND POTATOES ARE A GOOD SOURCE OF POTASSIUM
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*WATER - OUR MOST IMPORTANTNUTRIENT. ONLY OXYGEN IS MOREIMPORTANT TO LIFE.* MOST PEOPLENEED ABOUT *10 CUPS* OF WATER EVERY DAY.
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Guidelines forHealthy Eating
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Dietary Guidelines forAmericans
“a set of recommendations for healthful eating and active living.”
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Food Guide Pyramid