Popular in Aging in Today's World
Popular in Human Development
This 2 page Class Notes was uploaded by Crysta Meekins on Wednesday March 30, 2016. The Class Notes belongs to GRN 250 at University of Kentucky taught by Dr. Watkins in Spring 2016. Since its upload, it has received 17 views. For similar materials see Aging in Today's World in Human Development at University of Kentucky.
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Date Created: 03/30/16
Degenerative Change with Age ● Body dimensions and composition, skin, hair, skeletal, vascular, respiratory, neurological, immunological, our senses...all change ● Involves gradual molecularlevel change, which then affects cell, tissue, organ, and/or system function. Body shape and size ● Peak body height in 20s, then gradual decline ● Peak weight in 40s, then gradual decline ● Peak BMI (weight/height^2) by 65, then decline. ● Decline in fatfree or lean mass (FFM), increase in fat (FM) ● Relocation of fat: men=guts women=hips/thighs Skin/Hair ● Reduced microcirculation ● Thinning and welling ● Hair folliclessweat glands Cardiovascular ● Reduced oxygen absorption ● Vascular stiffening/obstructions ● Reduced cardiac function MusculoSkeletal ● Spinal compression ● Calcium leaching ● Reduced bone production ● Muscle mass, fibers, enervation Guts ● Reduced organ elasticity ● Reduced mineral uptake ● Microflora changes ● Reduced peristalsis ● Reduced kidney function ● Bladder elasticity ● Sphincter enervation The Senses ● Lens discoloration ● Presbyopia ● cataracts/glaucoma ● Reduced sense of smell ● Reduced sense of touch Why try to understand why? Or.. great excuses for biological research ● Helps people live longer..and longer and longer (extending life spanlongevity) ● Helps people age with better health (extending “health span”) ● Helps people look better? Along the way (antiaging, unaging, and the pursuit of youth)