I saw a advertisment for sensa on the computer that looked good, and they said try sensa free for thirty days and if it doesn't work send it back for a refund so I did, I called them to cancel after two week and the rep said to give it a little more time and then if it doesn't work call and cancel, so I gave it a little time and it just didn't work for me, now I take care of my mom who has alzheimers and it keeps me busy, anyway I forgot about calling and cancelling the sensa until I got my credit card bill, then I called them... read full review »