Which of the following is a risk factor for developing heart disease?

Question

BlackTom AI · Accepted Answer

The correct answer is 'High cholesterol'. High cholesterol is a well-documented risk factor for heart disease because it can lead to the buildup of plaques in the arteries, a condition known as atherosclerosis. This buildup narrows the arteries and can lead to blockages, increasing the risk of heart attacks and strokes. Cholesterol is transported in the blood by lipoproteins, and high levels of low-density lipoprotein (LDL) cholesterol are particularly associated with increased risk.

In contrast, 'Regular exercise' is generally protective against heart disease. Exercise improves cardiovascular health by enhancing blood circulation, reducing blood pressure, and increasing high-density lipoprotein (HDL) cholesterol, which helps remove LDL cholesterol from the bloodstream.

'Low blood pressure' is also protective rather than a risk factor. High blood pressure (hypertension), not low blood pressure, is a risk factor for heart disease because it can damage the arteries over time, leading to heart disease.

Finally, 'Consuming fruits and vegetables' is protective against heart disease. These foods are rich in vitamins, minerals, and antioxidants, which help reduce inflammation and oxidative stress, both of which are contributors to heart disease. They also provide dietary fiber, which can help lower cholesterol levels.

Thus, 'High cholesterol' is the only option among the given choices that is a risk factor for developing heart disease.

Which of the following is a risk factor for developing heart disease?单项选择题

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