Apatient presents to a primary care provider reporting chest pain and is diagnosed with atherosclerosis. this disease is caused by:

In general, atherosclerosis is caused by inflammation and endothelial injury. For this case, the disease of the patient is caused by the abnormal thickening and hardening of vessel walls. Atherosclerosis is an illness that is caused by build up of plaque in the arteries. This results to limiting the blood flow to the parts of the body and to the organs. And, it could lead to problems like stroke, heart attack and, worse, death. This disease does not show any symptoms. Main treatment that is recommended for this disease is a complete lifestyle change. There are also drugs and medical procedures that would be done. 

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.