Gray Matters is a TV show.
Herbal smokeless tobacco is any product that imitates types of smokeless tobacco -LRB- chewing tobacco , dipping tobacco , snuff , snus , etc. -RRB- but does not contain either tobacco and nicotine , or tobacco while still retaining nicotine .. smokeless tobacco. smokeless tobacco. chewing tobacco. chewing tobacco. dipping tobacco. dipping tobacco. snuff. Snuff ( tobacco ). snus. snus. tobacco. tobacco. nicotine. nicotine. Like herbal cigarettes and electronic cigarettes , they are often used as a tobacco cessation aid .. tobacco. tobacco. herbal cigarettes. herbal cigarettes. electronic cigarettes. electronic cigarettes. tobacco cessation. tobacco cessation