Group 1 - The autumn equinox marks a significant change in weather, with temperatures gradually decreasing and dryness increasing, leading to health concerns, particularly for cardiovascular diseases [3][5] - The transition from "warm dryness" before the equinox to "cool dryness" after the equinox can cause various health issues, including dry cough and skin problems, especially in northern regions [5][7] - It is important to manage clothing appropriately during the autumn, particularly when temperatures drop below 18 degrees Celsius, to prevent health issues related to cold [7] Group 2 - Recommendations for maintaining health during autumn include increasing water intake and consuming specific remedies like stewed pears with rock sugar to combat dryness [7]

Core Viewpoint - The article emphasizes the importance of health maintenance during the autumn equinox, highlighting the need for warmth and moisture to combat the adverse effects of temperature changes on the human body [1] Group 1 - The autumn equinox occurs on September 23, marking a significant change in temperature and increased risk of "cool dryness" affecting health [1] - Common health issues during this period include dry mouth, dry skin, and susceptibility to colds [1] - The focus for health maintenance during this time should be on "warming" and "moisturizing" the body [1]