Quote of the Day: TODAY 10/10/11 -Nutrition Survey -Read Articles -Report -Video -Nutrition -Nutrients -Comic Strip Do you want to know who you are? Don't ask. Act! Action will delineate and define you. Thomas Jefferson

Nutrition: Intro & Nutrients What do all of the following have in common: Tooth decay, allergies, headaches, indigestion, constipation, fatigue, unhealthy hair, unhealthy nails, dry skin, hyperactivity, low energy level, weight problems, eating disorders? Answer: All of the symptoms are the result of nutrient deficiency.

GOOD NUTRITION: Quality of Life Quality of Life Gives Energy – “Fuel of Life” Gives Energy – “Fuel of Life” Mental alertness Mental alertness Feel good Feel good Prevent Weight gain, Obesity, Type 2 Diabetes Prevent Weight gain, Obesity, Type 2 Diabetes Calories (kilocalories)- units of heat that measure the energy used by the body and the energy that food supplies to the body. Calories (kilocalories)- units of heat that measure the energy used by the body and the energy that food supplies to the body.

Read: Fast Food Nation Optional Discussion Topics: Optional Discussion Topics: Should schools limit or eliminate access to vending machines and soda machines in schools? Why or why not? Should schools limit or eliminate access to vending machines and soda machines in schools? Why or why not? Should grocery stores and convenience stores make junk food less visible? And should the prices be higher for high fat/low nutrition foods? Should grocery stores and convenience stores make junk food less visible? And should the prices be higher for high fat/low nutrition foods? Should nutrition content of school lunches be made easily available to students who want to make better choices? Should nutrition content of school lunches be made easily available to students who want to make better choices?

Nutrients- substances in food that the body needs to grow, repair itself, and supply energy. 6 Major classes of Nutrients: BODY REGULATORSENERGY PRODUCERS VitaminsCarbohydrates MineralsFats WaterProteins (Fiber)

Influences on food choices: Influences on food choices: Hunger – inborn behavior Hunger – inborn behavior Appetite - desire Appetite - desire Food and Emotions Food and Emotions Why do emotions change Why do emotions change eating habits? Food and Environment Food and Environment How are eating habits created? How are eating habits created? - Family, friends, peers- shaped during childhood - Culture/Ethnical Background - Convenience and Cost - Advertising

Carbohydrates Most preferred source of energy Largest volume (~60%) of our daily food

Fiber Indigestible complex carbohydrate found in tough, stringy parts of vegetables, fruits, and whole grains. Soluble fiber - This slows digestion. Soluble fiber - This slows digestion. Oat bran, barley, nuts, seeds, beans, lentils, peas, and some fruits and vegetables. Oat bran, barley, nuts, seeds, beans, lentils, peas, and some fruits and vegetables. Proven to lower cholesterol, which can help prevent heart disease. Proven to lower cholesterol, which can help prevent heart disease. Insoluble fiber - Speeds the passage of foods through the stomach and intestines and adds bulk to the stool. Insoluble fiber - Speeds the passage of foods through the stomach and intestines and adds bulk to the stool. Wheat bran, vegetables, and whole grain Wheat bran, vegetables, and whole grain

Should get ~20-35 grams per day

Water Moves nutrients through the digestive tract. Moves nutrients through the digestive tract. Removes waste products. Removes waste products. Fiber absorbs water allowing waste products to move freely through the digestive tract, preventing toxic waste from accumulating. Fiber absorbs water allowing waste products to move freely through the digestive tract, preventing toxic waste from accumulating. Heat regulator- Sweating Heat regulator- Sweating Solvent necessary in the production of and maintaining body cells. Solvent necessary in the production of and maintaining body cells. Helps coat and lubricate body joints. Helps coat and lubricate body joints.

Protein Nutrients that help build and maintain body cells and tissues. Nutrients that help build and maintain body cells and tissues. Makes enzymes, hormones, and antibodies. Makes enzymes, hormones, and antibodies. Can supply body with energy, but not main energy source. Can supply body with energy, but not main energy source. 4 cal per gram 4 cal per gram Complete and Incomplete Complete and Incomplete

Read: Fighting Fat Questions to think about: Questions to think about: What are Trans fats What are Trans fats What is Hydrogenation What is Hydrogenation

Fats (Lipids) 9 calories per gram, concentrated form of energy. 9 calories per gram, concentrated form of energy. Transport vitamins (A, D, E, K) in blood. Transport vitamins (A, D, E, K) in blood. Foods high in fat tend to be high in calories. Foods high in fat tend to be high in calories. Saturated Saturated Unsaturated Unsaturated Ex. Liquid- oils, have been associated with reduced risk of heart disease. Ex. Liquid- oils, have been associated with reduced risk of heart disease. Trans Fatty Acids Trans Fatty Acids Ex. Margarine/Widely used in processed foods. Ex. Margarine/Widely used in processed foods.

Essential Fatty Acids Omega-3 & Omega- 6 Omega-3 & Omega- 6 Body cannot synthesize Body cannot synthesize Support the cardiovascular, reproductive, immune, and nervous systems. Support the cardiovascular, reproductive, immune, and nervous systems. Help regulate HR, BP, blood clotting, fertility, conception and encouraging the body to fight infection. Help regulate HR, BP, blood clotting, fertility, conception and encouraging the body to fight infection.

Cholesterol High cholesterol may be hereditary, also tends to rise with age.

Vitamins Compounds that help regulate many vital body processes Compounds that help regulate many vital body processes Digestion, Absorption, Metabolism of other nutrients. Digestion, Absorption, Metabolism of other nutrients. Water-soluble- dissolve in water and pass easily into blood during digestion. Body doesn’t store, so must be replenished. (C, B1-Thiamine, B2- Riboflavin, Niacin, B6, Folic Acid, B12). Water-soluble- dissolve in water and pass easily into blood during digestion. Body doesn’t store, so must be replenished. (C, B1-Thiamine, B2- Riboflavin, Niacin, B6, Folic Acid, B12). Fat-soluble- absorbed, stored, and transported in fat (Fatty tissue, liver & kidneys). Excess build-up can be toxic. (A, D, E, K). Fat-soluble- absorbed, stored, and transported in fat (Fatty tissue, liver & kidneys). Excess build-up can be toxic. (A, D, E, K).

Substances the body cannot manufacture Substances the body cannot manufacture Needed for forming healthy bones and teeth and for regulating many vital body processes. Needed for forming healthy bones and teeth and for regulating many vital body processes.

Nutrient Comic Strip Instructions: Instructions: 1.Choose one of the six nutrients. 2.Plan a comic strip, explaining the benefits or purposes of that nutrient based off of the information give in class. 3.Make/draw the comic strip (at least three frames).