NUTR 132 Lecture Notes - Lecture 25: Lean Body Mass, Senescence, Mediterranean Diet
17 May 2019
School
Department
Course
Professor
Document Summary
Usual and successful aging i. ii. iii. Usual aging expected part of aging accelerated by unhealthy lifestyle. Successful aging function declines that occur only because we grow older. Onset of chronic disease symptoms at later than usual age. Compression of morbidity striving for greatest number of healthy years and fewest years of illness: factors affecting the rate of aging i. ii. iii. Life span - maximum number of years a human can live. Life expectancy- number of years an average person, born in a specific year, is expected to live. iv. If survive to age 80 expect 7 to 10 more years. Dependent on genes and environment: genetics: living an old age tends to run in some families, twins indicate about 20% - 30% of longevity, gender females live longer than males, thrifty metabolism - require fewer calories for metabolism. Not as beneficial in sedentary society: lifestyle - pattern of living food choices, exercise patterns, substance use.
