HSM 330 Chapter Notes - Chapter 10: Posttraumatic Stress Disorder, Peripheral Vascular System, Adrenal Medulla
2 Apr 2013
School
Department
Course
Professor
Document Summary
Older adults may be particularly vulnerable to effects of physical stress. Mistake to believe that the effects of stress are exclusively negative. Growing body of evidence that stress can have toughening or strengthening effects on everything from heat shock to protein to sicla ties. Whether stress has positive or negative effects may depend on its temporal patterning and also on how we cope with it. All of the antiaging genese appear to regulate cell-based stress resistance, a variety of genetically based mechanism protect against stress at the cellular level including dna repair mechanism, antioxidants, and heat shock pritens. Neuroendorcine stress reactions can be very toxic. Nerves are cholinergic that is they secrete the nt acetylcholine, and pgn use norephinephrine: symp. Increased bp forces liquids out of the vascular system into the surrounding tissues. Stress can result in heart disease and cancer.
