At 78 years old, Jane Fonda is the picture of health. But she hasn?t always been. The ?80s fitness icon battled eating disorders for much of her adult life ? and believes her emotionally abusive dad, the late, legendary actor Henry Fonda, planted the seed. ?When I hit adolescence and the specter of womanhood loomed, all that mattered was how I looked and fit in,? the Grace and Frankie actress wrote in the March 23 Lenny newsletter.