Recent scientific studies have indicated a correlation between seasonal changes and symptoms of irritable bowel syndrome, highlighting the potential role of weather, humidity, and seasonal allergies, without implying that seasonal changes necessarily exacerbate symptoms for everyone.
A study published in the journal "Frontiers in Public Health" on June 5, 2026, conducted by researchers from Kyung Hee University in South Korea, concluded that there is a link between certain seasonal factors and the syndrome, noting higher incidence rates in autumn and summer and their association with temperature and humidity levels.
For his part, the Korean researchers, led by Seong Hyeo Hong, Nahyun Jung, Jay Woo Park, Jinsung Kim, and Seok Jae Ko, analyzed clinical data from eight hospitals in South Korea during the period between 2019 and 2023, comparing incidence rates of the syndrome with seasonal changes in temperature and humidity.
The results showed that recorded incidence rates were highest in autumn, followed by summer, as the researchers noted a statistical correlation between incidence rates and both temperature and humidity.
In the same context, an Italian study published in the journal "Frontiers in Allergy" in 2025 showed that gastrointestinal symptoms increased in a group of sufferers who were sensitive to grass pollen during the pollination season, while no similar statistically significant changes were recorded among participants sensitive to house dust mites or those not sensitive.
A recent study published in the "Journal of Clinical Medicine" by researchers from the University of Genoa in Italy indicated that lifestyle factors, including stress, sleep, diet, and physical activity, are linked to changes in irritable bowel syndrome symptoms, and the study included 2,735 participants.
The study added that lower stress levels, increased sleep hours, and fiber intake were associated with symptom improvement in some sufferers, while reduced physical activity and increased work pressure were linked to the appearance of symptoms in some participants.
The results emphasized the importance of understanding factors that may affect irritable bowel syndrome symptoms, especially with changing seasons, and monitoring their impact on each case individually, which helps improve symptom management and reduce their impact on daily life, while further studies are needed to clarify the mechanisms of this correlation.
Source: Syrian Arab News Agency (SANA)
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