If you are a website owner, content publisher or bloger I am sure that you have know about Google Adsense Program For Publisher, which give you earning based on Advertisement displayed on your website. If you are new and didn't hear about it please click here
If you already using Google Adsense Program, your page displaying advertisement from different source or category. You should intermediately visit the Adsense Help Center.
With sensitive category blocking, you can prevent ads from up to 11 specific categories from appearing on your pages. Ads in these categories will be blocked if they're in any of the supported languages, regardless of how they've been targeted to your pages - Google Adsense Blog
To activate 'Sensitive Category Blocking you need to do the following thing describe Google Adsense Official Blog
If you’d like to set up sensitive category blocking, please sign in to your AdSense account and visit the Ad Review Center, located under the 'AdSense Setup' tab. Once you click 'change,' you'll be able to view the full list of categories you can block. In addition, to help you understand the impact of applying these filters, we'll show you the percentage of revenue and ad impressions you've been receiving from each category in the last 30 days - The official blog of Adsense Program
This Sensitive Category blocking was available for language of 'English, French, German, Spanish, Italian, Dutch, and Arabic with testing being done for Russian.' From now on it is available for language 'Japanese, Chinese, Polish, and Portuguese'. So if where waiting for this oppurchunity for the language above, why wasting time to read it. Start setup your Adsens Account for block unwanted add category!