Why do they think "sexual health" means promiscuous sex with multiple partners of both genders, just as long as everyone uses a condom?
You'd think that condoms granted divine blessing for any sexual acts from what they have to say.
Did you read the report?
The gist of the report is that US teens and young adults have more sex with more partners and take more chances and suffer worse consequences than their european counterparts.
In europe they are far more open and far less uptight about sex than here in the US. Perhaps it is a coincidence that they get better results, but I think not.