Final answer:
PVD, or Peripheral Vascular Disease, is caused by fatty deposits in blood vessels and is linked to atherosclerosis. Lifestyle factors are crucial in its progression and treatment.
Step-by-step explanation:
PVD, or Peripheral Vascular Disease, is primarily caused by the accumulation of fatty deposits in blood vessels, a process known as atherosclerosis. The development of this disease can begin early in children as fatty streaks within the arteries and progresses throughout life, influenced by factors such as high blood pressure, smoking, obesity, diabetes, and high cholesterol. Critical lifestyle changes along with medical interventions can help manage and treat PVD.