根据以下提供的文本内容，生成一篇类似报告的文章摘要。
The study investigated the effects of regular exercise on mental health. Participants were randomly assigned to either a regular exercise group or a control group. The results indicated that participants in the regular exercise group reported lower levels of depression and anxiety compared to those in the control group.
该研究调查了定期锻炼对心理健康的影响。参与者随机分配到定期锻炼组或对照组。结果表明，定期锻炼组的参与者报告的抑郁和焦虑水平较对照组低。