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Why is heart disease so common, especially in elderly people?

Answer 1

Josiah Austin

Age is an important risk factor for heart disease.

The heart and its blood vessels age like any other organ; this degeneration over time can result in heart disease.

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Answer 2

David Arnold

Heart disease is common in elderly people due to a combination of factors including age-related changes in the heart and blood vessels, long-term exposure to risk factors such as high blood pressure, high cholesterol, smoking, and diabetes, as well as genetic predisposition and lifestyle choices over time. Additionally, older adults may have other health conditions or medications that can contribute to heart disease.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.