No Nut November is an internet challenge revolving around abstinence, in which participants abstain from masturbating or having an orgasm during the month of November.[1] Although No Nut November was originally intended to be satirical, some participants claim that abstaining from ejaculating and watching pornography has health benefits.[2][3] An Urban Dictionary entry for No Nut November was published in 2011, and, in 2017, the movement started to gain popularity on social media.[4] It is associated with the NoFap community on Reddit, which encourages its members not to masturbate.[3] The Reddit community /r/NoNutNovember grew from 16,500 subscribers in November 2018[5] to 52,000 subscribers as of November 2019[2] and to 85,300 in November 2020.