Possible Clues:

• ___ Ed
• We, as a species, have to have it [Ink Well ends June 25 - sign up at avxwords.com to keep getting great indie xwords!]
• Touchy subject?
• Dr. Ruth's subject
• Word with "appeal" or "symbol"
• What F or M may indicate
• Advertisers say it sells
• Lovemaking
• ID info
• Staple of advertising