Unit 1: Food, Nutrition and Health

1 Unit 1: Food, Nutrition and Health ...
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1 Unit 1: Food, Nutrition and Health

2 Journal #1 Ch. 17 p. 341 What is body image?What forms our personal body image? What body image messages come out of ads? What skills do people need to decode body image messages in the media so as to not be impacted by the unhealthy messages?

4 How does the ideal image of a woman's body differ in other culturesHow does the ideal image of a woman's body differ in other cultures? In other historic times? How does this compare to the ideal image of a man's body? (Price of Beautyhttps://www.youtube.com/watch?v=tdSzAxjX_JU ) Who controls what images we see? Do you think teenage girls are especially vulnerable to these ideas? Do teenage boys feel similar pressures?

5 2.4 million Dove paid __________dollars for 30 seconds of commercial time during Superbowl XL (2006) to launch the commercial featuring the young girls. The Dove commercial is very different from most of the commercials featured during Superbowl broadcasts. (Typically these commercials are light-hearted, comedic, and rarely address social issues.)

6 Dove Campaign for Real BeautyWhat do you think are some of the reasons why Dove would choose the Superbowl to showcase their commercial? https://www.youtube.com/watch?v=dt8qxVZj33o - Dove campaign 2006 https://www.youtube.com/watch?v=9worRhTVoBI ~facts on body image 2 mins https://www.youtube.com/watch?v=hRuCI5PvApU - the perfect image ~5 mins https://www.youtube.com/watch?v=XjJQBjWYDTs – Always #likeagirl – superbowl 2015 https://www.youtube.com/watch?v=kCKPz3xn3sY&x-yt-cl= &x-yt- ts= – like a girl – director’s comments https://www.youtube.com/watch?v=OXf8fr0Kp3Q – dove evolution What about boys? https://www.youtube.com/watch?v=-_I17cK1ltY – dove campaign for real beauty (male version) https://www.youtube.com/watch?v=2x_Fl3NQVd4 – empowering male commercial https://www.youtube.com/watch?v=WzTSE6kcLwY - axe find your magic

7 Cameron Russell – Looks aren’t EverythingJournal Pay attention to Cameron in the first minute or two of this video – what is your impression of her? What are some ways people ‘transform’ how they look? What are some of the expectations people have for models? What are some of the opportunities that come with meeting society’s view of beauty? https://www.youtube.com/watch?v=KM4Xe6Dlp0Y – Cameron russell – Looks aren’t everything – believe me, I’m a model. ~10 mins –

8 https://www.youtube.com/watch?v=jsP0W7-tEOc - this girl canAdvertising & Image https://www.youtube.com/watch?v=aAVFCH9x7Og - special K 1. Can ads influence what we perceive as valid roles for ourselves in society? 2. Can our self-image and self-esteem be influenced by advertising? 3. What are the images that ads present? 4. What explicit and implicit messages are absorbed by young girls and boys after years of exposure to such advertising? https://www.youtube.com/watch?v=tneKwarw1Yk - Men’s standards of beauty around the World (~5 mins) https://www.youtube.com/watch?v=Xrp0zJZu0a4 - ideal body types throughout history - 3 mins

9 Diet, Disease Prevention &/or Disease ManagementHeart disease Cancer Diabetes Osteoporosis Hypertension Spina bifida Conditions related to food & diet Allergies Celiac disease Colitis Gout

10 Assignment- (Individually or with a partner)Prepare a pamphlet on a disease that is related to diet. Include a description of the disease Symptom(s) Treatment (meds? Surgery? Other) Impact on health/lifestyle (things you can’t do, things you should include in your lifestyle) Food choice implications (diet changes/restrictions) Management strategies (how to improve your condition/prevent it from getting worse) Another relevant detail/piece of information Include pictures Be sure to use your own words and references. You will also be graded on overall appearance and effort.

11 Indicators of a healthy body weight:1. Waist Circumference 2. Waist to Hip Ratio 3. Body Mass Index (BMI) 4. Body-Fat Percentage 5. Growth Chart P. 393 in the text

12 Waist Circumference Waist circumference common measure used to assessabdominal fat content. excess body fat in the abdomen that is out of proportion to total body fat is considered a predictor of risk factors and illness associated with obesity.

13 Measuring CircumferenceHow to measure waist circumference: Measure the smallest area found below the rib cage but above the umbilicus (bellybutton).

14 What Waist Size is Risky?Risky waist circumferences differ for men and women. Men at risk - waist measurement greater than 40 inches (102 cm) Women at risk - waist measurement greater than 35 inches (88 cm)

15 Waist-to-Hip Ratio? Waist-to-hip ratio (WHR) is the ratio of a person's waist size to hip size mathematically calculated as the waist size divided by the hip size. For most people, carrying extra weight around their middle increases health risks more than carrying extra weight around their hips or thighs.

16 Risky Ratios For both men and women, a waist-to-hip ratio of 1.0 or higher is considered "at risk" or in the danger zone for undesirable health consequences (i.e., heart disease).

17 Healthy Waist-to-Hip RatiosFor men, a ratio of .90 or less is considered safe. For women, a ratio of .80 or less is considered safe.

18 What is BMI? BMI stands for Body Mass Index.Put simply, BMI is a common measure expressing the relationship of weight-to height.

19 What is My BMI? The Body Mass Index FormulaA person’s BMI can be calculated using a simple mathematical formula. BMI =[Weight in pounds ÷ Height in inches ÷ Height in inches] x 703

20 A person weighing 210 pounds and 6 feet tall would have a Example BMI A person weighing 210 pounds and 6 feet tall would have a BMI = 210 pounds divided by 72 inches divided by 72 inches multiplied by 703 = 28.5

21 BMI and Your Health? A healthy BMI for adults is between 18.5 and 24.9. BMI ranges are based on the effect body weight has on disease and death. A high BMI is predictive of death from cardiovascular disease, diabetes, cancer, high blood pressure and osteoarthritis (consequences of being overweight as an adult). Obesity itself is a strong risk factor for premature death. https://www.youtube.com/watch?v=Qo6QNU8kHxI

22 BMI Cut points for AdultsWe interpret BMI values for adults with one fixed number, regardless of age or sex, using the following guidelines: Underweight: BMI less than 18.5 Overweight: BMI of 25.0 to 29.9 Obese: BMI of 30.0 or more https://www.youtube.com/watch?v=zXauQiC12qg – calculating bmi ~4 mins

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24 Problems with BMI? Bmi charts now for asians, indians, children, athletes, women, men… https://www.youtube.com/watch?v=37dDclnow1g – Does BMI actually matter ~3 mins

25 Body-Fat Percentage The amount of body fat in relation to muscle.Can be measured by using the skinfold measure https://www.youtube.com/watch?v=VBJuVfiKrbY – 2 mins

26 How to take a Skinfold MeasureThis method uses Skinfold Calipers that pinches the skin to measure body fat on various parts of the body (thigh, tricep, abdominal area…). The measurements are then put into an equation. Should be completed by a qualified professional.

27 Skinfold Measure ResultsNo need to write down – just discuss Skinfold Measure Results

28 Growth Charts Used by the medical profession. Growth Charts Used by the medical profession. Your height and weight are taken. Both are plotted are a chart. Comparisons are completed. https://www.youtube.com/watch?v=azxpCM75NOU – understanding growth charts - 3 mins

29 Impact of Lifestyles on Nutritional RequirementsAthletes - What is best to eat after exercise? High carbohydrate foods (cereal, bread, pasta, etc. Beverages (water, sports drinks, juice)

30 Athletes Hydration: When should you drink, and how much? Before you feel thirsty (thirst indicates that you are already dehydrated) Drink 2 cups (500 mL) of water or juice about 2 hours before the athletic event or game. https://www.youtube.com/watch?v=7-7RXc3OQr8 – activity and exercise

31 Athletes About _______before the event, drink a cup of water (250 mL).During exercise drink approximately ½ cup (125 mL) of water every ____ minutes. After exercise, it is important to replace water loss. What two types of beverages should you avoid? _______ & _______ 15 minutes 15-30 caffeinated alcoholic

32 Athletes When you are rehydrated, your urine will be ____ or ___ _____in colour. The amount of liquid you need depends on: Weather conditions (temperature & humidity) Activity (type & duration) Your body (age, gender, size and sweat rate) clear light yellow

33 Athletes - Symptoms of dehydration:Fatigue Lightheaded (dizzy) Dark-coloured, smelly urine Appetite loss Flushed skin (red) https://www.youtube.com/watch?v=IAnL-Viyd5M – dehydration and fatigue.

34 Athletes What are “energy drinks”? Ex. Red Bull, Hype.Contain caffeine. Not recommended for children or to be mixed with alcohol. Some contain herbs such as ginseng or gingko biloba (they do not improve performance). Some contain taurine, which is an amino acid. We do not know if the large dose found in some drinks is harmful. https://www.youtube.com/watch?v=CVwBMuYCDe4 – hidden dangers of energy drinks

35 Athletes Should energy drinks be used during exercise? NO!!!Claim to energize you and make you more alert. High sugar content and carbonation can interfere with hydration.

36 Athletes What is carbohydrate loading?CHO loading is eating a lot of carbohydrate-rich food in the 2 days before an athletic event Idea is to build up supplies of glycogen in the body (energy source). Only considered useful for long distance events, taking more than 90 minutes (more than 15km).

37 What is it and What does it do?Creatine What is it and What does it do? Creatine is an amino acid (used to build protein). Found naturally in meat and fish Also produced in the body. Helps to store energy in muscle cells. https://www.youtube.com/watch?v=BR3dDO1Sz0E – how does creatine work

38 When can it help an athlete?Creatine When can it help an athlete? For sprint (short races) events or in all-out bursts of activity lasting from several seconds to a few minutes (weight-lifting).

39 Risks associated with creatine:no long term studies yet, so we can’t be sure that it is safe. The creatine containing products sold may not have all the ingredients listed on the label.

40 Risks associated with creatine use:Weight gain Retain fluid - this may affect blood pressure. Side effects may include cramping and muscle strain. Possibly damage the heart and kidneys.

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42 Caffeine What are the effects of caffeine on the body? stimulant.nervousness and insomnia for some people. Withdrawal - headaches and irritability. What are the obvious sources of caffeine? Coffee/Tea Soft drinks Coffee-flavored products (yogurt and desserts). https://www.youtube.com/watch?v=kRVbojITlD0 – coffee – health benefits and effects you may not know

43 Caffeine What are the less obvious sources commonly consumed? CocoaHot chocolate Gum What is a safe amount of caffeine to consume daily? Maximum for adults is mg per day. (about 4 cups of instant coffee).

44 Alcohol Abuse Signs of physical dependence include:Alcohol-related illnesses A need for increasing amounts of alcohol to get drunk (tolerance) Memory lapses (blackouts) after heavy drinking Withdrawal symptoms when alcohol use is stopped

45 Alcohol Abuse Symptoms and behaviors of alcoholism:Continuing to drink (even when health, work, or family are suffering) Drinking alone Episodes of violence when drinking Hostility when confronted about drinking Lack of control over drinking -- unable to stop https://www.youtube.com/watch?v=DyctIk4YwZk – 3:30 – 6:35 Robin

46 Symptoms & Behaviors continued..Making excuses to drink Missing work or school, or a decrease in performance No longer taking part in activities because of alcohol Need for alcohol to function Neglecting to eat Not caring for physical appearance Secretive behavior to hide alcohol use Shaking in the morning https://www.youtube.com/watch?v=8jl-o89Z8j8 – signs of alcoholism

47 Alcohol Abuse Long term abuse includes:Brain and nervous system complications: Brain degeneration and dementia Depression and suicide Nerve damage Severe memory loss Wernicke-Korsakoff syndrome causes brain damage in lower parts of the brain called the thalamus and hypothalamus. Korsakoff psychosis results from damage to areas of the brain involved with memory.

48 Digestive tract disorders:Cancers of the larynx, esophagus, liver, and colon Esophageal bleeding Liver disease (alcoholic hepatitis, and cirrhosis of the liver) Pancreatitis Poor nutrition because vitamins aren't absorbed properly

49 Vegetarianism Are people who do not eat meat, poultry, fish, or other seafood. Vegans: people who eat only foods from plant sources, such as grains, legumes, fruits, vegetables, nuts and seeds.

50 Vegetarianism Lacto vegetarians: people who eat milk products along with foods from plant sources. Ovo vegetarians: people who eat eggs + foods from plant sources.

51 Vegetarianism Lacto-ovo vegetarians: people who eat foods from plant sources, milk products and eggs. Semi-vegetarians: people who sometimes eat poultry and fish but never red meat.

52 Health Benefits of Being VegetarianIf they make wise food choices, vegetarians can get all the nutrients they need. Eating a variety of foods is key Other benefits? https://www.youtube.com/watch?v=Yloy0MG7gVc – is veganism healthy?

53 Nutrient Concerns for VegetariansProtein Fat Iron Calcium Vitamin B12 Vitamin D

54 Fast Paced Lifestyles (Eating out/On the run)If eating out is your only option for supper, how can you apply guidelines for healthy eating to your menu?

55 Weight Loss Diets – How can you take a healthy approach to weight loss?Lower Fat Serving size Low salt CFG Fibre Adequate hydration Avoidance of foods in the “other” category Beverage choice Variety

56 Fad Diets popular weight-loss methods that ignore sound nutrition principles. Watch out for: Very low-calorie diets (800 calories or less) Eating plans based on a single food, such as grapefruit or cabbage soup.

57 Fad Diets continued… Liquid diets that are low in calories.Fasting – going without food. Diet Pills Plans that promise quick weight loss (over 2 lbs per week). https://www.youtube.com/watch?v=TVdzFpiQR7k – top 10 ridiculous fad diets.

58 Journal #5 Complete a family tree (if desired), noting medical conditions with which family members are living or from which they may have died. Discuss any patterns or trends. How might you use this information to prolong/improve your own health?