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 also more prevalent because fatty deposits build up in arteries that supply the heart. 2  Narrowed arteries and reduced blood flow to the heart can cause chest pain (angina) or a heart attack. 3  Blood clots can also form in narrowed arteries and cause a stroke.