What can regular exercise help prevent regarding health issues?

Regular exercise is widely recognized for its role in preventing various health issues, notably heart disease and obesity. Engaging in physical activity strengthens the heart, improves circulation, and can lower blood pressure and cholesterol levels, which are critical factors in reducing the risk of cardiovascular diseases. Moreover, regular exercise helps to maintain a healthy weight by burning calories and building muscle, contributing to the prevention of obesity. This relationship underscores the importance of incorporating exercise into one's daily routine as a proactive measure against these prevalent health concerns.

The other options either provide a limited view of exercise benefits or suggest a lack of preventive benefits altogether. Minor injuries and muscle cramps can occur with physical activity, but they do not encapsulate the broader health benefits exercise offers. Moreover, the claim that there are no preventive benefits contradicts well-established health guidelines that advocate for regular physical activity as a fundamental component of a healthy lifestyle.