Study Reveals Link Between Sex Hormones and Migraines in Men

Overview of Migraine Prevalence

Migraines affect approximately one in seven individuals worldwide, characterized by debilitating, throbbing headaches along with heightened sensitivity to light and sound. These episodes may also manifest with a range of additional symptoms. While existing research indicates that the hormone estrogen heightens migraine risk in women, its impact on men has been less thoroughly investigated.

Research Focus and Methodology

A recent study published in the journal Neurology aimed to clarify the relationship between sex hormones, specifically estrogen and testosterone, and recurrent migraines in men. The researchers focused on non-obese men under 75 years of age, selecting participants based on responses to a migraine questionnaire and subsequent telephone interviews.

Individuals who were smokers, had high blood pressure, or were on hormone supplements were excluded to avoid confounding factors. Ultimately, the study included 17 men who suffered from migraines and 22 control participants.

Participant Assessment and Hormone Measurement

Participants were categorized as migraine sufferers—either with or without precursor symptoms like fatigue, stiffness, altered urination, or food cravings—or as healthy controls. Blood samples were taken to assess hormone levels. For the control group, samples were collected at 9 am, 12 pm, 3 pm, and 6 pm on the first day of the study. In contrast, blood samples from migraine sufferers were obtained at the same intervals, but at least three days after their most recent migraine and then daily until the next migraine occurred.

Key Findings

The study revealed that men with migraines exhibited higher levels of estrogen compared to their healthy counterparts. The testosterone-to-estrogen ratio was notably lower among migraine sufferers, at 4:1 compared to 5:1 in controls. Additionally, those experiencing precursor symptoms before a migraine had testosterone levels that were 65 nmol/L higher and estrogen levels that were 23 nmol/L higher than those without precursor symptoms. Symptoms indicative of testosterone deficiency were more prevalent among migraine sufferers and were reported as more severe.

Conclusion and Future Research Directions

The findings suggest a correlation between elevated estrogen levels and decreased testosterone-to-estrogen ratios with an increased risk of migraines in men. However, due to the small sample size, further research is necessary to validate these results. Future studies should investigate how estrogen influences the duration, frequency, and severity of migraines in the male population.

Reference

van Oosterhout, W.P.J. et al. (2018). Female sex hormones in men with migraine. Neurology, doi:10.1212/WNL.0000000000005855.