"Wikipedia's exhaustive detailing of sexual practices – including masturbation photos thoughtfully uploaded by contributors – is a wonder of the age."
Sex education is a necessary part of modern life.
See this chart by state in the USA. The lighter the colour the more STIs. It appears to correlate with a state's lack of sex education.
https://www.indy100.com/article/map-us-states-with-most-stis-7573761