**Rewritten Article:**
A new study has found that regular exercise can significantly improve mental health. Researchers discovered that engaging in physical activity at least three times a week can reduce symptoms of anxiety and depression. The study also highlighted the importance of maintaining a consistent exercise routine for long-term mental well-being. Experts recommend incorporating a variety of exercises, such as walking, running, or yoga, to reap the full benefits of physical activity on mental health. This research emphasizes the positive impact of exercise not only on physical health but also on mental wellness.