HLT 1353 Chapter Notes - Chapter 10: Cardiorespiratory Fitness, Cardiovascular Disease, Telomere
23 Oct 2018
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Document Summary
The benefits of exercise: over time, immediate, short-term adjustments translate into long-term changes and improvements. The most active people experience the greatest health benefits. Keeps arteries from stiffening or clogging with plaque: reduces risk of cardiovascular disease. More efficient metabolism and improved cell health: metabolism: the process that converts food to energy and builds tissue. Protects cells from damage from free radicals and from inflammation caused by obesity, high bp or cholesterol, nicotine, and overeating. Prevents deterioration of telomeres, which form the protective ends of chromosomes that are vital for cell health and repair. Endurance exercise significantly increases daily calorie expenditure: raises metabolic rate for several hours. Strength training increases muscle mass: the more muscle mass, the higher the metabolic rate. Physical inactivity increases the risk of cvd by as much as 240% Cancer: higher levels of leisure-time physical activity are associated with lower risks for 13 of 26 types of cancer, kidney, colon, head and neck, bladder, rectal, liver.
