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group_1_presentation_2_-_effects_of_exercise [2018/11/09 12:48] sabraniw [Introduction] |
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| Exercise training and high levels of physical activity have many health benefits, and physical inactivity becomes a risk factor for cardiovascular diseases based on changes in blood lipids, hypertension, diabetes and other diseases (Joyner and Green, 2009). | Exercise training and high levels of physical activity have many health benefits, and physical inactivity becomes a risk factor for cardiovascular diseases based on changes in blood lipids, hypertension, diabetes and other diseases (Joyner and Green, 2009). | ||
| Furthermore, physical exercise reduces the effects of pathological conditions such as arterial hypertension, coronary artery disease, atherosclerosis. This can be done by altering the autonomic nervous system, which is correlated with reduction of heart rate and blood pressure (Zanesco and Antunes, 2007). | Furthermore, physical exercise reduces the effects of pathological conditions such as arterial hypertension, coronary artery disease, atherosclerosis. This can be done by altering the autonomic nervous system, which is correlated with reduction of heart rate and blood pressure (Zanesco and Antunes, 2007). | ||
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| - | ====Incidence==== | ||
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| - | Melanoma is one of the most common forms of cancer in Canada. In fact, according to the Canadian Cancer Society, it ranks as the seventh most common cancer in Canada (“Melanoma skin cancer statistics”, 2017). Unfortunately, unlike other cancers where the incidence rate is decreasing, the incidence rate for melanoma is actually increasing. In fact, in many developed countries, it has increased faster than any other cancer since the 1950’s. In fact, in Canada in 2017 alone, 7,200 people were diagnosed with it, and 1,250 people died from it (“Melanoma skin cancer statistics”, 2017). Globally, approximately 132,000 cases of melanoma are diagnosed each year (WHO, 2018). There may be various reasons why the incidence rate of melanoma is increasing. For one, doctors have become better at detecting this cancer. In addition, the increase in the incidence rates of this cancer can be attributed to the use of tanning beds by many people, which emit ultraviolet radiation, shown to increase the chances of melanoma (“Why melanoma skin cancer is increasing, 2017). | ||
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| ====The Electrical Conduction System of the Heart==== | ====The Electrical Conduction System of the Heart==== | ||
