🦊 In this GCSE Biology video, we describe coronary heart disease as a non-communicable condition affecting the coronary arteries, part of the cardiovascular system responsible for supplying the heart muscle with blood. It explains that the disease develops due to the buildup of fatty material in these arteries, leading to narrowing and reduced flexibility, as shown in the contrast between healthy and clogged arteries in the diagrams. Factors contributing to this condition include an unhealthy lifestyle, high blood pressure, smoking, excessive alcohol consumption, and a diet high in saturated fat and cholesterol. The video also highlights the serious consequence of coronary heart disease: the potential for a heart attack due to blocked coronary arteries limiting oxygenated blood flow to the heart muscle.
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