George Ryan has collaborated on many health books, including Before the Change by Anne Louise Gittleman and The Heart Depression Connection by Windsor Ting, M.D., and Greg Fricchio...lihat lebih banyakGeorge Ryan has collaborated on many health books, including Before the Change by Anne Louise Gittleman and The Heart Depression Connection by Windsor Ting, M.D., and Greg Fricchione, M.D.lihat lebih sedikit