请给予我一个合适的英语段落主题。段落应该是一个不同的、明确的话题，长度在三到五句话之间。
The benefits of regular exercise on mental health. 

Regular exercise has been found to have numerous mental health benefits. It can improve mood and reduce the symptoms of depression and anxiety. Exercise also helps to reduce stress levels and improve sleep quality. Furthermore, it can boost self-esteem and enhance cognitive function. Therefore, incorporating regular exercise into one's lifestyle can greatly improve overall mental well-being.