Is Your Rainy Season Malaise Actually 'Meteoropathy'? The Truth About 'Tsuyu-daru' Experienced by 70% of Working Women

The 'Jacket-joshi Research Institute', operated by AOKI Inc. (President: Akihiro Aoki), supports women who wear jackets by providing advice and how-to information on styling.

According to the Japan Meteorological Agency, this year's rainy season is predicted to have more rain and higher temperatures nationwide compared to the summer of 2025, which saw significant drought. In preparation for the full-scale rainy season, we conducted a 'Survey on Rainy Season Malaise (Tsuyu-daru) Among Working Women' targeting 1,000 working women nationwide.

This survey clarified the reality of worries and stress caused by the atmospheric pressure, humidity, and temperature changes characteristic of the rainy season. Furthermore, we interviewed obstetrician and gynecologist Miho Takao. She provided insights not only on the background of these discomforts and specific medical measures to overcome them but also offered tips for modern women to live happily by 'valuing themselves,' drawing on her extensive experience supporting many women.

[TOPICS] 1. Approximately 70% of working women report feeling unwell during the rainy season. Serious mental health impacts. Many report 'lack of motivation' and 'feeling down' in addition to physical symptoms like fatigue and headaches. 2. Is rainy season malaise often misunderstood as just 'tiredness' or 'lack of drive'? Awareness of 'Tsuyu-daru' is below 30%. A majority are suffering without taking any countermeasures. 3. Does clothing significantly affect physical and mental condition? The top three stressors of the rainy season are 'stuffiness, chill, and dirt.' 4. Emphasis on 'wear comfort' for rainy season clothing. Nearly half prioritize 'comfort' when going out. Keywords for rainy season clothing are 'easy-care' and 'stress-reduction': quick-drying, breathable, and agile. 5. [Special Interview] Obstetrician Miho Takao on tips for living happily in modern times. Medical mechanisms behind rainy season malaise and sustainable working styles that do not compromise on 'comfort.'

[Are You Affected? 'Tsuyu-daru' Self-Checklist] 'Meteoropathy' is a general term for physical and mental malaise caused by sudden weather changes such as atmospheric pressure, temperature, and humidity. 'Tsuyu-daru' is a type of meteoropathy; while not an official diagnosis, it describes the fatigue many feel during the rainy season. Symptoms include autonomic nervous system imbalance due to low pressure, high humidity, and temperature swings, resulting in headaches/migraines, swelling, coldness in limbs/waist, stiff shoulders/neck, general fatigue, malaise, and difficulty waking up. Based on Dr. Takao's advice, we have created a checklist. If even one applies, you may have 'Tsuyu-daru.' Four or more require caution; six or more need proper care.

[Roughly 70% of working women report feeling unwell during the rainy season. Serious mental health impacts.] 67.4% of working women reported experiencing physical or mental discomfort during the rainy season. In addition to physical complaints like 'fatigue/malaise' (45.2%) and 'headaches/migraines' (36.8%), many reported mental health issues like 'lack of motivation' (34.5%) and 'depressed mood' (31.2%).

[Rainy season malaise misunderstood as 'tiredness'? Awareness is below 30%] Less than 30% (27.0%) of respondents were aware of the term 'Tsuyu-daru.' However, more than half of those who did not know the term still reported feeling unwell, indicating that many suffer without knowing the cause. While 57.3% attribute the cause to 'low pressure/humidity,' many still misinterpret it as 'just fatigue' (37.6%) or 'a matter of motivation' (33.7%).