Meat because it had alot of protein
Numerous people.... Diabetics who are experiencing nerve degeneration of the extremities (something called Diabetic Neuropathy). Another group would be the elderly, who do loose sensation as age progresses. And lastly those with some sort of paralysis or peripheral nerve damage.
The aorta is the body's main artery therefore that makes the aorta the main supply of pressure to make the blood flow.