Final answer:
Exercising provides several benefits for the body, including preventing diseases, improving sleep, and enhancing the body's immune system.
Step-by-step explanation:
Exercising provides numerous benefits for the body, but lowering your energy level is not one of them. In fact, regular exercise can increase your energy level and reduce feelings of fatigue. The other options—preventing heart disease, diabetes, and high blood pressure; improving your quality of sleep; and increasing your body's ability to fight off colds and infections—are all benefits of exercising.
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