Study Links Summer Births to Higher Depression Risk in Men

Study Links Summer Births to Higher Depression Risk in Men
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Men born in the summer may face a higher risk of developing depression later in life, according to a study published in PLOS Mental Health and reported by Gizmodo. Conducted by researchers at Kwantlen Polytechnic University in British Columbia, the study surveyed 303 adults internationally and found that only men showed a correlation between summer birth and increased depressive symptoms.

Lead author Mikael Mokkonen suggests the findings may relate to environmental conditions during pregnancy, such as sunlight exposure. While past research has established a link between seasonal changes and mood—such as seasonal affective disorder—few studies have examined how birth timing may affect long-term mental health.

The study acknowledges limitations, including a short data collection period and a sample that included many college students. Researchers plan further investigations into maternal factors, such as hormone levels and diet, to better understand how prenatal environments may influence mental health.