Dominic Chan, WENN.com / Newscom The former actress has the nation’s top book, touting secret cancer cures. But these methods, reports Gerald Posner, may actually increase the disease risk. Specifically, Posner reveals how:

• Her number one book promotes a regimen that many doctors believe causes cancer rather than cures it.
• This regimen might have contributed to her own bout with cancer.
• Several doctors and experts she uses as the basis for her book have medically checkered backgrounds.
• Cancer is a recurring thread and marketing tool for her wide-ranging business interests.
• One outside expert, based on his examination of 20 years of photographs, believes she had plastic surgery, which would undercut her reputation for health through alternative medicine.

Suzanne Somers, who came to fame in the 1970s as the ditzy Chrissy Snow on the iconic “Three’s Company,” pulled off the kind of feat generally reserved for the likes of John Grisham and Malcolm Gladwell yesterday. She scored her second number one New York Times bestseller in three y