Introduction to Nutrition
Track Your Diet Assignment
•Using the SuperTracker website you will track what you eat for a minimum of 3 days• https://www.supertracker.usda.gov/default.aspx
•Once data is in the website, create a nutrition report
•Write up about your diet ▫Due:
What influences what you eat?
Factors That Influence Nutrition
•Social▫Eat what your parents eat, out with friends,
advertisement•Economical
▫What you can afford to eat, processed foods less expensive, time
•Psychological▫Bored, stressed, upset▫Or do you eat less?
Nutrition Throughout Life
•Young Age
•University/College
•Living on Your Own
•Family and a Job
•Older Adult
Carbohydrates
•Made up of carbon, oxygen, and hydrogen
•The starches and sugars found in foods
•Body’s preferred source of energy
•Simple = sugar
•Complex = rice and other grains
Proteins•Nutrients that help build and maintain body
tissues
•New proteins form, replacing damaged cells
•Complete = contains all essential amino acids
• Incomplete = lack some of the essential amino acids
Fats
•Your body needs some fat▫Helps carry vitamins to the blood stream
•Saturated = holds all the hydrogen atoms it can▫Eg. Animal fats and tropical oils
•Unsaturated = Missing 1 or more hydrogen atoms▫Eg. Vegetable Oils
What You Should Consume
Differences Around the World
•Inuit Diet▫Inuit able to live healthy lives with very
little carbohydrates (primarily wild fish and game, some kelp)
▫+50% calories from fat▫Fat content is different than that available
commercially
Vitamins
•Compounds that help regulate many vital body processes
•Water Soluble = Vitamin C and B Complex▫Not stored in the body so must be regularly
replenished
•Fat Soluble = Vitamin A, D, E and K▫Stored in the body
Minerals
•Inorganic substances that the body cannot manufacture
•4 Most important to Teens▫Iron▫Calcium▫Sodium▫Potassium
Water
•Your body is mostly made up of water
•Water is vital to every body function
•On a normal day your body will use about 10 cups of water
•You can also get water from food▫Fruit, vegetables and milk products contain
water
Obesity – Ted Talk
•http://www.youtube.com/watch?v=wOPl8P2S-Lw
BMI
Calculate your BMI1.Your weight in pounds divided by 2.2 = weight in kilograms2.Your height in meters3.Your weight (kilograms) divided by [height (m) x height (m)] = BMI
Facts about Obesity
•Leading cause of preventable illness and death in North America
•Worldwide obesity has nearly doubled since 1980
•Obesity cost the Canadian economy somewhere between $4.6-billion and $7.1-billion a year.
•About 1 in 11 children - 8.6 per cent - are considered obese
• Income can affect your weight
Increased Risk of
•Hypertension•Stroke•Type 2 Diabetes•Breathing Problems•Cancer
▫Breast, colon, endometrium, esophagus, gallbladder, liver, prostate, ovarian, pancreas, kidney
Prevention• Make healthy options easily accessible
• Promote the importance of physical activity
• Teach children how to prepare healthy food
• Make nutritional information accessible
• Put water everywhere
• Reduce screen time