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Stroke: Symptoms, tests and treatmentStroke is the second leading cause of disability and death worldwide, and occurs when the flow of blood to the brain is disrupted.
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Atrial fibrillation and arrhythmia: Causes, symptoms and treatmentAtrial fibrillation is a heart condition that causes an irregular heart rate. Sometimes, there can be no symptoms.
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9 heart disease risk factors, according to expertsIt's the leading cause of death in the United States, but what are the top heart disease risk factors?
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Heart disease: Types, prevention and treatmentsHeart disease is the leading cause of death in the United States, and encompasses a range of conditions. But are there ways to avoid it?
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Why are heart attacks more common in winter? A cardiologist explainsColder weather can trigger a number of physiological changes that may increase the risk of a cardiac event.
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What is normal blood sugar?Blood sugar, or glucose, is the main source of fuel for our body - keeping it in check is essential to our health.
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Can walking lower blood pressure?reference Can walking lower blood pressure? We look at the impact walking can have on blood pressure and examine the evidence behind it
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If blood is red, why do veins look bluish?Blood is always red, and veins look blue or green because the skin filters light wavelengths differently.
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What is a normal heart rate?Monitoring your heart rate can help you track your fitness level and overall health.
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