Speaking to Medical News Today, author Matt Fillingim, PhD, a postdoctoral researcher at McGill University in Montreal, Canada said: “The difference probably reflects a combination of biological and social factors, including sex hormones, immune function, nervous-system pain processing, stress, reproductive burdens, occupational exposures, healthcare use, and differences in how symptoms are reported.”
Article source: https://www.huffingtonpost.co.uk/entry/pain-gender-difference_uk_6acf805de4b08a0fe854b4e3