Lisa's grandmother was recently diagnosed with heart disease. Her doctor told her she should have some body composition testing done to determine if her body composition is putting her at a greater risk of this condition. She is on a tight budget. Which of the following is the easiest and least expensive test for her to start with?

Waist circumference is a simple, low-cost measurement that can help assess health risks related to body fat distribution, including heart disease risk. MRI and hydrostatic weighing require specialized equipment and are much more expensive. Therefore, the easiest and least expensive test to start with is waist circumference.

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