GHTH 100 1st Edition Lecture 10 Outline of Last Lecture I. Alcohol and TobaccoOutline of Current Lecture I. The HeartCurrent LectureI. The Heart- Systole- The period of the heart’s contraction (normally higher)- Diastole- the period of the heart’s relaxation- A normal systolic pressure number is 120 or less- 120 over 80 mmhg is considered normal, for college students age group the normal would be around 110 or less. (mmhg=mercury)- 140 over 90 mmhg is considered high. If it’s more than 140, it’ll have to be monitored over time, could be hypertension. - The Blood Vessels-Veins carry blood to the heart-Arteries carry oxygenated blood away from the heart-The coronary artery carries de-oxygenated blood into the lungs- Risk Factors:1. Tobacco use2. High Blood Pressure3. High Cholesterol - Tobacco Use: 1 in 5 deaths A pack a day =twice the risk of heart attack and high risk of death Smoking Damages the lining of the arteries Reduces the HDL (good cholesterol)These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute. Nicotine increases blood pressure and heart rate Raises triglycerides and LDL (bad cholesterol) Smokeless tobacco still contains nicotine. 1 pinch of Dip = 10 times the amount ofnicotine in cigarettes. Dip doesn’t lead to heart disease as much as smoking does because it doesn’t go through the lungs. However, you’re more likely to get mouth or throat cancers. High Blood Pressure Atherosclerosis- causes arteries to become clogged or narrowed. Africans are at a greater risk heart disease. High Cholesterol- The desired number would be less than 200 mg/dl Physical Inactivity- 40-60 million Americans are so sedentary that they are at highrisk for developing CVD. Exercise highly reduces the risk of heart disease.These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is bestused as a supplement to your own notes, not as a
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