This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Stars of WE TV’s Joan Knows Best?, Joan and Melissa Rivers, join The Doctors to test the mother-daughter duo’s home remedy know-how. Who can correctly identified which remedy helped which symptoms? Find how who knew best! ShareTweet