Google has clearly delineated the topics that are prohibited. These are,

· Excessive profanity

· Violence, racial intolerance, or advocacy against any individual, group, or organization

· Hacking/cracking content

· Illicit drugs and drug paraphernalia

· Pornography, adult, or mature content

· Gambling or casino-related content

· Excessive advertising

· Any other content that promotes illegal activity or infringes on the legal rights of others.

You must use a valid email address and name when applying for Adsense account.