Ch. 7 Health Stuff
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How does tobacco smoking impact coronary heart disease?
- releases nicotine, which speeds up heart rate
- carbon monoxide reduces oxygen transportation, which causes stress on the heart
- particulates in smoke causes inflammation and scar tissue on artery walls, which increases likelihood of plaque
- increases production of free radicals which then damage LDL cholesterol; leads to plaque buildup in coronary arteries
How does LDL cholesterol impact coronary heart disease?
- damaged LDL will collect together in an artery wall and overtime narrow the passageway for blood; can lead to blood clot
- when blood clot occurs in coronary artery, this may cause a heart attack or cardiac arrest
How does HDL impact coronary heart disease?
- normal helpful HDL reduces inflammation and escorts some LDL back to the liver to be reprocessed
- some studies have shown that HDLs can reduce plaque buildup
How does hypertension impact coronary heart disease?
- If your blood pressure is high, your heart has to work harder to push blood throughout your system
- strained heart may weaken and enlarge
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