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.
This condition is due to atherosclerosis or peripheral vascular disease. Narrowed or blocked arteries can occur anywhere in the body. If they occur in the heart, a person may have chest pain (angina) or even a heart attack. If arteries are blocked or narrowed in the neck or the brain, a person may have a stroke.