Report Abuse. 1  Fastest time to run a mile is around 4 minutes. 2  The average time to walk a mile is 12 minutes, so half a mile would be 6 minutes. 3  well the average human walks at 3 mph so thats a mile every 20 mins and half a mile every 10 mins.  i walk a mile every morning in 15-20 minutes, so probably 10 minutes.
Coronary heart disease (CHD), also called coronary artery disease, occurs when plaque builds up in the coronary arteries. These arteries supply oxygen-rich blood to your heart. Plaque narrows the coronary arteries and reduces blood flow to your heart muscle.
1 Coronary artery disease is caused by plaque buildup, plaque rupture or a clot that blocks the coronary arteries, causing a lack of oxygen to the heart, preventing it from functioning effectively. 2  Atheriosclerosis is the narrowing of the arteries due to cholesterol buildup and plaque formation. Atheriosclerosis is the narrowing of the arteries due to cholesterol buildup and plaque formation. 2  In addition to family history, high blood pressure, diabetes, smoking, high cholesterol, obesity adn physical inactivity are risk factors for coronary artery disease.