“不花钱的养生方法，治好了我的内耗和焦虑”

Group 1 - The core idea of the article emphasizes the importance of physical exercise in alleviating internal conflicts and anxiety, highlighting that exercise releases happiness-inducing hormones such as dopamine, endorphins, and serotonin [3][4][6] - Exercise not only promotes the secretion of growth hormones that aid in muscle repair and metabolism but also enhances deep sleep, creating a positive cycle of better exercise leading to better sleep and recovery [7][8][9] - A study by American psychiatrist John H. Greist demonstrated that running can effectively alleviate mild to moderate depression, showing comparable results to short-term psychotherapy and outperforming long-term therapy [10][14] Group 2 - Besides exercise, sleep is crucial for mental health, as it allows the brain to perform "nightly maintenance," clearing out waste and resetting emotional regulation [16] - The article discusses the importance of reducing mental fatigue and ensuring adequate rest to maintain self-control and emotional stability, suggesting that pushing through fatigue can be counterproductive [16] - Engaging with nature is recommended as a way to improve mental health, with studies indicating that outdoor activities can have lasting positive effects on mood [17][18][20]