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