Final answer:
Exercising regularly and maintaining a healthy diet, including avoiding excessive consumption of foods high in cholesterol, are behaviors that may help prevent heart disease.
Step-by-step explanation:
One behavior that may help prevent someone from developing heart disease is exercising regularly. Regular exercise can help improve cardiovascular health, strengthen the heart muscles, and lower the risk of developing heart disease. Additionally, it is important to maintain a healthy diet by avoiding excessive consumption of foods high in cholesterol, such as whole milk. Finally, taking iron supplements may not have a direct impact on preventing heart disease, as iron is mainly involved in the production of red blood cells.
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