给定一篇英文文章，将其翻译为中文。
原文: "The importance of regular exercise cannot be overstated. Exercise not only improves physical health, but also helps reduce stress and improve mood."
定期锻炼的重要性不可过高估计。锻炼不仅可以改善身体健康，也有助于减轻压力和改善情绪。