Actually it is. Plus the teens that are using it also tend to drink and use other drugs.
The THC levels in the pot available these days is high enough that teens ate in fact getting addicted.
I know the thc level is much higher now. I don’t recommend kids smoking it and some will undoubtedly activate a mental illness, there is science to say that mind altering drugs can possibly draw out a tendency.
With that said, I wouldn’t really recommend high schoolers have varied sex experiences or even one serious sex partner, in order to avoid abuse, pregnancy, and disease, but I know my words of wisdom fall on hormonal deaf ears...