PS285 Lecture Notes - Lecture 10: Coronary Artery Disease, Food Preservation, Osteoporosis
October 20, 2016
Lecture 10
• Physical activity
o Most people do’t get the reoeded aout
o Often due to lack of leisure time
▪ Working, taking care of your family
▪ Lives are overscheduled
▪ School (a lot of sitting)
o Lower engagement in physical activity is linked to negative health
outcomes
o Looking at balance between energy intake and expenditure
o Obesity, diabetes, coronary heart disease, stroke, osteoporosis
o Traditionally humans lived very active lifestyles
o Hunter gatherers travelled constantly
o We’e gie up the nomadic lifestyle
o We eat heavily chemicalized and processed foods now
o Our metabolic processes however have remained the same
o Industrial revolution dramatically changed our lives (machinery, fast
food, computers, food preservation, fatty foods)
• Affluenza
o The belief that we can purchase health
o the appearae of eig healthy
o health supplements, active wear, gym memberships
o social inequality prevents everyone from engaging in this, only the
wealthy can do so
• Religion
o Certain religions put different levels of importance on the physical
body
o In the Christian faith the emphasis is on the soul not the body
o astaking care of the self)
• Physical activity and the environment
o Architecture (elevators, escalators)
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