Before the Covid-19 pandemic hit, the UK was seeing a rise in new diagnoses of gonorrhoea and syphilis.
The study of gay and bi men found a cheeky smooch could have bigger consequences.
The current antibiotic treatment for gonorrhoea is beginning to fail, doctors have warned.
Public Health England is reminding the nation of the importance of safe sex.
In 2017, there were 200,000 cases of chlamydia alone.
Today is national STI day, and Ladies and Gentlemen, two weeks after the intense partying over New Year, it might be time to think about your sexual health.