Teen Health Course 2

Chapter 1: Understanding Health and Wellness

Student Web Activities - Teacher Content

Lesson 1

Answers

1. You can lower your risk of becoming overweight and developing certain chronic diseases by making smart choices from every food group, balancing your food intake with regular physical activity, and getting the most nutrition from the foods you eat.



2. The positive effects of physical activity include improving your overall health and fitness, controlling body weight, and balancing calories you consume with calories you use.



3. The best way to follow a healthy eating plan is to eat a variety of nutritious foods every day.



4. For a healthy diet of calcium, you should drink three cups of low-fat or fat-free milk or eat three servings of low-fat yogurt or low-fat cheese every day.



5. For healthy foods to eat when you're on the go, pack snacks of fresh fruit, cut up veggies, string cheese, or a handful of unsalted nuts.

Additional Resources for Teachers

Teens sometimes need encouragement to make the healthy choices. The Web sites below contain information about the importance of eating well and getting enough exercise, along with suggestions about how to encourage teens to develop healthy habits.

1. The American Dietetic Association: http://www.eatright.org/cps/rde/xchg/ada/hs.xsl/index.html
2. Young Women's Health: http://www.youngwomenshealth.org/healthyeating.html
3. Meals Matter: http://www.mealsmatter.org/CookingForFamily/Planning/article.aspx?articleId=41

Lesson 3

Answers

1. Genes are found in the DNA chromosomes in the nucleus of a cell.



2. Most cells in the body have about 30,000 genes.



3. Traits that can be inherited include hair and eye color, and the ability to wiggle your ears and curl your tongue.



4. Two diseases that are affected by genetic sequence include heart disease and certain cancers.



5. Scientists are finding ways to identify how small changes in a gene sequence can make a difference between illness, disease, and health.

Additional Resources for Teachers

The field of human genetics is developing at a very rapid pace. The Web sites below give additional information on genetic diseases and risk, how to collect family histories, and choices that can be made to help prevent health problems from developing.

1. BAM It's Your Body http://www.bam.gov/sub_yourbody/yourbody_insidescoop.html
2. National Society of Genetic Counselors: http://www.nsgc.org/consumer/familytree/index.cfm
3. Gene Gateway: http://www.ornl.gov/sci/techresources/Human_Genome/posters/chromosome/
4. Your Genes Your Health: http://www.ygyh.org/
5. Your Genes Your Choices: http://www.ornl.gov/sci/techresources/Human_Genome/publicat/genechoice/index.html