Originally Posted by adultseo

It's Google AdSense that you are referring to and yes you can use it on non-adult teen sites without a problem.

Regarding Google AdWords, Quality Pricing is very unstable and untrustable. It does not always matter of wich quality your site is. If your site is affected by Quality Pricing to the max it may be accepted when you move the same site to a new domain and start a new campaign with the exact same configuration!