What health issues can result from narrow and stiff blood vessels?

I've been hearing a lot about how narrow and stiff blood vessels can lead to cardiovascular problems. Can someone explain what specific issues this can cause?

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When blood vessels become narrow and stiff, also known as atherosclerosis, it can lead to reduced blood flow and increased pressure in the arteries. This can cause hypertension, or high blood pressure, which can increase the risk of heart attack, stroke, and other serious health problems. Essentially, the heart has to work harder to pump blood through the narrowed vessels, leading to increased stress on the cardiovascular system.

In addition to hypertension, narrow and stiff blood vessels can also lead to peripheral artery disease (PAD). PAD occurs when the peripheral arteries, usually in the legs, become narrowed or blocked due to the buildup of plaque. This can cause pain, numbness, or weakness in the legs, and can also increase the risk of infection and tissue death if left untreated. It's important to address any issues with narrow or stiff blood vessels early on to prevent these more serious health complications.

It's also worth noting that certain lifestyle factors can contribute to the development of narrow and stiff blood vessels. Smoking, a sedentary lifestyle, and a diet high in saturated fats can all increase the risk of developing atherosclerosis. Making lifestyle changes to address these risk factors can help reduce the risk of cardiovascular problems and improve overall health.