User blog comment:The Smiling Scum/Skyrim Allows You to Engage in Cannibalism/@comment-120.144.164.42-20111105052106/@comment-76.25.105.146-20111105060902

From the videos I saw... yes you can if they are dead obviously. It seems to be the only way to heal yourself while you are a werewolf, and it doesn't look like it actually counts as cannibalism.