PSYC 357 Chapter Notes - Chapter 4: Pattern Hair Loss, Bone Density, Subcutaneous Tissue

• School: Simon Fraser University
• Department: Psychology
• Course: PSYC 357
• Professor: Dagmar Bernstein

Document Summary

Botox also popular (nerve poison and paralyzes muscle and relaxes skin/temporarily reduces wrinkle: or facelifts (surgical, artificial fillers, laser resurfacing tx, microdermabrasion, hair= grey hair b/c loss of pigmentation in hairs as production of melanin ceases. Ideal bmi= 23 in men and 21 in women. Total body weight increases from 20s to mid 50s then declines, most weight gain thru middle adulthood increase in bmi (fat around weight and hips, middle aged spread) Anorexia of aging= loss of ffm b/c of inadequate food intake (happens b/c of hormonal changes in hunger regulation) Important to exercise and feel good about self/body even when you"re older: mobility, all of bones, joints, tendons, ligaments undergo age related changes, muscles: sarcopenia (progressive loss of muscle mass) Reduction in number and size of muscle fibers (esp fast twitch ones for speed/strength) As muscle mass decreases is first replaced by connective tissue, then by fat (1-