Introduction to Nutrition

Track Your Diet Assignment Using the SuperTracker website you will track what you eat for a minimum of 3 days 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 Lwhttp:// Lw

BMI Calculate your BMI 1.Your weight in pounds divided by 2.2 = weight in kilograms 2.Your height in meters 3.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 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