1. Glencoe Health
Lesson 1
Understanding
Stress

2. Stress can affect you in both positive and negative ways.
LESSON 1 Understanding Stress
Stress can affect you in both positive and negative ways.
BIG IDEA
New Vocabulary
stress
stressor
perception
psychosomatic response
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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3. LESSON 1 Understanding Stress
What is Stress?
Main Idea
How you think about a challenge determines whether you will experience positive or negative stress.
Feeling stress is a natural part of life. Stress is the reaction of the body and mind to everyday challenges and demands.
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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4. LESSON 1 Understanding Stress
What is Stress?
How much the stress of an event affects you, however, depends in part on your perception of it.
New Vocabulary
perception
The act of becoming aware through the senses.
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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5. Positive stress can motivate you and inspire you to work harder.
LESSON 1 Understanding Stress
Reacting to Stress
Stress can have both a positive and a negative effect.
Positive stress can motivate you and inspire you to work harder.
Negative stress can cause you to feel distracted, overwhelmed, impatient, frustrated, or even angry. It can harm your health.
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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6. Causes of Stress Stressors vary among individuals and groups.
LESSON 1 Understanding Stress
Causes of Stress
Main Idea
Stressors vary among individuals and groups.
People, objects, places, events, and situations are all potential stressors.
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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7. LESSON 1 Understanding Stress
Causes of Stress
The effect of a stressor depends on your experiences and perceptions.
New Vocabulary
stressor
Anything that causes stress.
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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8. Causes of Stress LESSON 1 Understanding Stress
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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9. Your Body’s Response to Stressors
LESSON 1 Understanding Stress
Your Body’s Response to Stressors
Main Idea
Stressors activate the nervous system and specific hormones.
When you perceive something to be dangerous, difficult, or painful, your body automatically begins a stress response.
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10. Your Body’s Response to Stressors
LESSON 1 Understanding Stress
Your Body’s Response to Stressors
Your mind and body go on high alert. This “fight-or-flight” response prepares you to defend yourself or to flee from a threat.
Alarm
If exposure to a stressor continues, our body adapts and reacts to the stressor. This stage lasts for a brief period.
Resistance
If exposure to stress is prolonged, you begin to tire and lose the ability to manage other stressors effectively.
Fatigue
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11. Your Body’s Response to Stressors
LESSON 1 Understanding Stress
Your Body’s Response to Stressors
Alarm begins when the hypothalamus, a small area at the base of the brain, receives danger signals from other parts of the brain.
The hypothalamus releases a hormone that acts on the pituitary gland.
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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12. Your Body’s Response to Stressors
LESSON 1 Understanding Stress
Your Body’s Response to Stressors
The pituitary gland secretes a hormone that stimulates the adrenal glands.
The adrenal glands secrete adrenaline. Adrenaline is the “emergency hormone” that prepares the body to respond to a stressor .
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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13. Your Body’s Response to Stressors
LESSON 1 Understanding Stress
Your Body’s Response to Stressors
Physical symptoms of a stress response include:
Dilated pupils
Increase in perspiration
Faster heart rate and pulse
Rise in blood pressure
Faster respiration rate
Narrowing of arteries to internal organs and skin
Increased blood flow to muscles and brain
Increase in muscle tension
Release of blood sugar, fats, and cholesterol
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14. LESSON 1 Understanding Stress
Stress and Your Health
Main Idea
Ongoing stress affects all aspects of your health.
The physical changes that take place in your body during the stress response can take a toll on your body.
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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15. LESSON 1 Understanding Stress
Stress and Your Health
Prolonged stress can lead to a psychosomatic response.
New Vocabulary
psychosomatic response
A physical reaction that results from stress rather than from an injury or illness.
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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16. Stress and Your Health Physical Effects of Stress Headache
LESSON 1 Understanding Stress
Stress and Your Health
Physical Effects of Stress
Headache
A weakened immune system
High blood pressure
Bruxism, clenching the jaw or grinding the teeth
Digestive disorders
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17. Mental/Emotional and Social Difficulty concentrating
LESSON 1 Understanding Stress
Stress and Your Health
Mental/Emotional and Social
Effects of Stress
Difficulty concentrating
Irritability
Mood swings
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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18. After You Read 1. Define the word perception.
LESSON 1 Review Understanding Stress
After You Read
Reviewing Facts and Vocabulary
1. Define the word perception.
The act of becoming aware through the senses.
Glencoe Health Chapter 4 Managing Stress and Coping with Loss
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19. After You Read What are three cognitive stressors for teens?
LESSON 1 Review Understanding Stress
After You Read
Reviewing Facts and Vocabulary
What are three cognitive stressors for teens?
Poor self-esteem, personal appearance, not fitting in.
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20. LESSON 1 Review Understanding Stress
After You Read
Reviewing Facts and Vocabulary
Identify the two body systems involved in the stress response.
Nervous and endocrine systems.
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21. Glencoe Health End of Understanding Stress Chapter 4
Managing Stress and Coping with Loss
Lesson 1
Understanding Stress
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