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85 Cards in this Set
- Front
- Back
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3 Characteristics to Maintain a Healthy Diet
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Balance
Moderation Variation |
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Nutrition and Good Choices
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Body works daily/continuously to repair and replenish old tissue, muscle, bone, skin, and blood
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Which choices make you more or less susceptible to disease?
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Food choices and behavior choices
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What percentage of our daily calories are consumed away from home?
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33% or 1/3
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What are the six basic nutrients?
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Protein, carbs, fat, vitamins, minerals, and water!
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Nutrients
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substances obtained from food that promtote growth, maintenance, or repair
Body uses energy to do work and produce heat |
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Calorie
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unit used to measure energy
a calorie is the amount of heat necessary to raise the temp of a liter of water 1 degree C |
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Alcohol
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has no nutiritional value
some energy (sugar) 1 gram=7 calories |
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Protein
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provides basic materials for cell growth and repair
helps build skin, blood, muscles, and bone; aids w/hormone formation; regulates chemical processes; forms enzymes; carries nutrients to cells; major component of immune system |
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Protein is made up of amino acids
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4 cal/gram
Amino acids composed of Carbon, Oxygen, Nitrogen, and Hydrogen Amino acids come from either plant or animal sources |
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How many amino acids does the body manufacture?
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11/20 (nonessential amino acids)
The remaining 9 are essential amino acids that are found in food |
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Complete Proteins
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contain ALL the essential amino acids (chicken, fish)
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Incomplete Proteins
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may contain only some of essential acids or may contain all just in insufficient amts (pinto beans, brown rice)
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What happens when the body is missing an essential amino acid
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The body replaces it w/a diferent essential amino acid in excess.
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What percentage of carbs should be in a daily diet?
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55-60%
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Carbohydrates
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supply body w/energy; digested easily and metabolized more efficiently (preferred source of energy)
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Simple Carbs
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all sugars chemically similar to glucose or converted to glucose by body; sugar
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What simple sugars must the body have?
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Glucose, fructose, sucrose, lactose
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Complex Carbs
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long chains of glucose units; keeps blood sugar at consistent level; stored in the muscle/liver as glycogen. Examples include starches (grains and veggies) and fiber (soluble and insoluble)
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Study the carbohydrate diagram in your notes!
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Ok, John. I will!
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Sugar Alcohol
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Energy yielding nutrients (has calories)
Does NOT contribute to tooth decay Examples are Manitol or Sorbitol |
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Artificial Sweeteners
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Provides no energy/calories
Saccharin used primarily in soft drinks and table sweetener Aspartame used in gum, cereal, gelatin, puddings, diet drinks. FDA approved |
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Insulin
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hormone and protein
secreted by pancreas controls level of sugar in blood insulin helps glucose out of blood and into cells |
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Diabetes
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failure to make or respond to insulin
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Type 1 Diabetes
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body cannot make enough insulin
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Type 2 Diabetes
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cells do not respond correctly to insulin
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How to reduce sugar intake
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Always read ingredients
Use cinnamon, vanilla, lemon/limes, allspice Top waffles with fruit Regular yogurt and add own fruit 100% fruit juice Substitute homemade fruit puree instead of sugar in recipes |
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Be able to recognize names for sugar from notes
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Ok, John. I will!
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Fat
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used to transport fat-soluble vitamins in body; insulate and protect organs; regulate hormones, contribute to growth; provide concentrated source of energy; essential for healthy skin
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Fats give food their _____, _____, and _____
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aroma, texture,and palatability
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Bioavailability
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the efficiency of absorption and utilization of the nutrient in foods
animal sources are more recognizable and easily absorbed |
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Nutrient Density
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low kcal/ high nutrients
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Empty calories
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high kcal/ low nutrients
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Study fat diagram in notes
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Ok, John. I will!
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Cholesterol
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type of fat in the bloodstream
cholesterol is required to build and maintain cell membranes all foods containing animal fat contain cholesterol to varying extents |
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What plays a large role in blood cholesterol?
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Total fat-intake (mainly saturated and trans fat)
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Cholesterol is insoluble in blood
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It is transported in the circulatory system w/in lipoproteins
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HDL cholesterol
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high density lipoproteins "good"
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LDL cholesterol
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low density lipoproteins "bad"
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Vitamins
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found in small quantities; make no contribution to energy; mainly helpers/facilitators of body processes
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Fat-soluble vitamins
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Vitamins A,D,E, K (stored in fat cells)
too many may be toxic cant be excreted by urination |
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Water-soluble vitamins
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Vitamins C and B Complex (dissolves in water)
Mega doses can be toxic excreted in urine |
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Minerals
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found in smaller quantities and make no contribution to energy; inorganic elements the body needs
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Major minerals
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essential nutrients found in body 5+ grams
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Trace minerals
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essential nutrients found in body 5- grams
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Calcium mineral
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clot blood
helps regulate heart aids in formation of bones transmits nerve impulses |
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Iron mineral
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deficiency leads to too few red blood cells in stream
Children can DIE from escalated iron levels |
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Zinc, magnesium, phosphorous, iodine, copper, manganese minerals
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Can overdose on minerals
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Water
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most necessary for survival
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What percent of our bodies is water?
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60%
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Water is a major component of _____.
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Blood. Blood carries nutrients and oxygen to all cells.
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Functions of water
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aids in getting rid of waste; digest foods; maintain electrolyte balance; lubricate joints; regulate body temp
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Phytochemicals
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non-nutritive plant chemicals that have protective or disease preventative behaviors
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Nonessential nutrients
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not needed to sustain life
found in fruits and veggies |
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Antioxidant (phytochemical contributions)
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protect cells from oxidative damage (vitamins C and E)
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Hormonal action (phytochemical contributions)
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imitate human estrogen
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Stimulation of enzymes (phytochemical contributions)
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stimulate enzymes that make estrogen less effective (cabbages)
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DNA interference (phytochemical contributions)
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interfere w/replication of DNA (beans, hot peppers)
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Antibacterial effect (phytochemical contributions)
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anti bacterial properties (garlic)
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Physical action (phytochemical contributions)
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bind physically to cell walls (prevent adhesion of pathogens)
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How to Increase Phytochemical Intake
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Eat at least 5 portions of fruit/veggies
Eat more real ketchup Eat the albedo of citrus fruits Increase soy consumption Drink herbal teas Eat dried fruits Add herbs to meals |
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Dietary Reference Intake (DRI)
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Defines the amts of energy, nutrients, and other dietary components that best support health
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Folic acid
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water soluble B vitamin
occurs naturally in food FDA required addition to enriched breads, cereals, flours, etc Found in leafy greens, fruits, dried beans/peas |
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Folic acid is a nutrient needed to prevent
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anemia of pregnancy
very important in DNA/RNA duplication supports rapid cell growth and prevents changes adults and children need it to make red blood cells |
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Pregnancy and Nutrition
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Eat more raw fruits and veggies
Limit liver intake (high in vit A (birth defects)) NO unpasteurized dairy (feta, blue cheese, queso blanco) Only 2 servings of seafood a week (avoid large or raw fish) NO caffeine |
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Vitamin A (upper intake level)
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found 25,000 IU per pill
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Zinc (upper intake level)
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intake over 40 mg detrimental; pills found with 50+ mg
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Manganese (upper intake level)
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excess cause Parkinson's disease and other neurological side effects
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Vanadium (upper intake level)
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found supplements that had 1.85 mg/pill (cause kidney problems)
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Whole grains
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Make 1/2 of intake of grains whole grains. Must have bran, germ, and endosperm.
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How many servings of whole grains do active individuals need?
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4-6
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What is one serving of grain equal to?
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one slice of bred
a cup of cereal 1/2 cup hot cereal, pasta, rice, etc |
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Carbs and athlete nutrition
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directly used by muscles for energy
stored as glycogen in muscles and liver. Glycogen is transformed into glucose for 90 minutes of energy |
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Protein and athlete nutrition
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varied diet will give enough protein to muscles for growth and repair
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Endurance athletes eat as much as _____ protein a day
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1.2-1.4 g/kg
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Strength training athletes eat as much as _____ protein a day
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1.6-1.7 g/kg
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Pre-game meal plan for athletes
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3-4 hrs before competition
500-1000 calories meal high in carbs Avoid high fat and fiber meals |
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Post-game meal plan for athletes
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Refuel glycogen stores (carb rich meal)
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Home-made sport drink
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4 tsp sugar
1/4 tsp salt 1 tsp lemon juice 8 oz water |
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How many hours does it take to rehydrate completely?
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36
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How many calories in a 12 oz beer?
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144
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How many calories in 5 oz wine
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Red: 105
White: 100 |
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How many calories in 1.5 oz distilled spirit?
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96
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Alcohol and pregnancy
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No level of alcohol has been approved safe for consumption during pregnancy
There is a higher chance for miscarriage and fetal alcohol syndrome |
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What is the rate of alcohol deletion in the body?
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1.5 drinks every 3 hours
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