28°C Marks a Critical Threshold! Health Tips for Autumn Doyō (秋土用)—the Seasonal Transition—to Prevent Winter Fatigue. 01 December 17, 2025 By CFJA [Read more…] about 28°C Marks a Critical Threshold! Health Tips for Autumn Doyō (秋土用)—the Seasonal Transition—to Prevent Winter Fatigue. 01