
Unhealthy Behaviors and Your Health
9th Grade · Health · 75 min
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Learning Objective
I can evaluate how unhealthy behaviors can increase the risk of injury or illness. Explain the HIV and AID. Explain the progression of Type II diabetes.
- 1
When the brain senses stress, it activates the autonomic nervous system, which communicates stress to the intestinal nervous system.
- 2
Stress hormones affect immune cells by initially helping to fight invaders, but chronic stress can dampen the function of some immune cells.
- 3
Chronic stress has been associated with shortened telomeres, which measure a cell's age and affect its ability to divide.


