Welcome to M-SEX! A research program dedicated to better understanding the sexual practices of cisgender, heterosexual men. M-SEX is focused on understanding cisgender and heterosexual men's engagements with sexual practices, romance, communication, and intimacies. It is funded by the Australian Research Council and hosted at the Australian Research Centre in Sex, Health & Society, at La Trobe University. What sparked this project? M-SEX began in 2016 at a botched radio inte