Simmons hormones work on some of the cells that cause

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Simmons. “Hormones work on some of the cells that cause you to sweat, and they also stimulate some of the oil-producing cells. That combina- tion leads to more intense body odor.” Shower daily using any kind of soap to banish smelly sweat and bacteria. Just be sure to wash every- where. Then apply an antiperspirant/deodorant to keep your underarms dry. Hair Loss If you notice that you’re losing more hair than usual, don’t panic. “People are constantly shedding hair, and you can lose a lot in a single day,” says Dr. Patricia Simmons, M.D., a special- ist in pediatric and adolescent medicine. She adds that it’s normal to lose as many as 100 hairs a day. Boys generally have shorter hair, so the lost strands are less noticeable to them than to girls. Stretch Marks Have you spotted any little pinkish lines on your body? “These marks are usually a very normal part of your body’s growth and change,” says Dr. Simmons. For girls, stretch marks— which start out as raised red areas, become purple, and finally flatten and fade to shiny or barely visible thin streaks—usually appear on areas like the hips, thighs, or breasts. They are not as common for boys, but they occasionally turn up on the upper arms and the shoulders. There is no way to prevent or treat the marks (and you can forget about stretch-mark creams, which just just don’t work). “Although they never completely go away, they do become far, far less obvious,” assures Dr. Simmons. The teenage body is constantly changing. Just remember: It’s all perfectly natural! About Changes During Adolescence The article lists three changes a person might expe- rience during puberty. Investigate what hormones are responsible for these changes. With a group, create a flow chart that details when and how one of these hormones is triggered, where it is produced, and how it causes the changes during adolescence. Bodies on the Move 480 Chapter 18 Endocrine and Reproductive Systems HS_HEALTH_U05_C18_CR 12/8/03 5:04 PM Page 480
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481 Chapter 18 Review 1. Practicing Healthful Behaviors. Excessive weight has been shown to be a contributing factor for developing diabetes mellitus. Identify three things you can do each day to help maintain a healthy weight for life. (LESSON 1) 2. Accessing Information. Some athletes use anabolic-androgenic steroids— chemicals similar to testosterone—to increase muscle size and improve overall performance. Research and list the harmful effects of steroids on the body. Then create a visual presentation that informs others of the dangers of steroid use. (LESSON 2) 3. Advocacy. Annual Pap tests are important for all women over the age of 18. Relate the importance of early detection and warning signs that prompt females to seek health care. Prepare an informative, accurate, and persuasive pamphlet to encourage women to have an annual Pap test. (LESSON 3) School Nurse Are you caring and sympathetic, and are you concerned with the physical and mental/emotional needs of others?
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