1. Different ways in which exercise keeps your Heart Healthy.
Cardiovascular System (preventing Angina and Cardiovascular diseases)
Citizens who regularly exercise, significantly have less cardiovascular diseases such as Angina (which described in in image 1a is caused due poor blood flow through the blood vessels in the heart.) lowering their risk of heart attacks, strokes, and impotence. Regular exercise lowers blood pressure, raises the level of protective high density lipoprotein (HDL) cholesterol, stimulates weight loss, decreases inflammation and helps prevent blood clots. The Harvard Alumni Study found that the incidence of heart attack was proportionate to the amount of exercise performed. Men exercising less than 2,000 kcal a week had 64% higher risk of heart attack than those who exercised at higher rates. Another study showed that a three-month period of intense physical activity, can alternatively increase HDL cholesterol as much as 33% and decrease in LDL cholesterol as much as 9% reducing chances of Cardiovascular diseases. Even Non-intense exercises as much as 20 minutes of walking reduces 19% of such chances.
b. Deduction in the Heart Rate (increase in lifespan)
The average resting heart rate for an normal adult ranges between 60 to 100 beats per minute (The table below describes the pulse rates for different age groups). Generally, a lower heart rate implies a more efficient heart function and a better cardiovascular system. For example, a well-trained athlete might have a normal resting heart rate as low as 40 beats per minute. Researchers have also found that men with fast resting heart rates are more likely to develop high blood pressure symptoms than those with slower rates. Some sympto...
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... - Heart & Circulatory System. N.p., n.d. Web. 30 Mar. 2014.
"How Angina Pectoris Occurs?" Health Giants RSS. N.p., n.d. Web. 30 Mar. 2014.
2. Vasagar, Jeevan, and Martin Williams. "Teachers Warned over Befriending Pupils on Facebook." The Guardian. Guardian News and Media, 24 Jan. 2012. Web. 30 Mar. 2014.
3. "Running in Cork, Ireland." : Running Marathons May Cause Damage to Your Heart. N.p., n.d. Web. 30 Mar. 2014.
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