Ruth Handler Club children's television show, Mattel invested heavily in television advertising. The TV commercials for the Barbie doll paid off and Barbie rocketed Mattel and the Handlers to fame and fortune. Subsequently, they would add a boyfriend for Barbie named Ken, after the Handlers' son, and many other "friends and family" to Barbie's world. Handler was diagnosed with breast cancer in 1970. She had a modified radical mastectomy, which was often used at the time to combat the disease, and because of difficulties in finding a good breast prosthesis, she decided to make her own. Handler went on to found a
Chelsea Handler 2015, Handler said she envisioned a show more serious than "Chelsea Lately:" "I would like a healthy mix of everything that goes on around the world, mixed with interesting stuff in our country. The well-roundedness of "60 Minutes" but faster, quicker, cooler." In October 2017, Handler announced that the show will be concluding after its second season, as she wishes to focus on activism. Handler has written five books that have made the "New York Times Best Seller List", four of which have reached number one. Her first book, "" (2005), describes the variety of sexual encounters she has experienced