By Jethro Nededog LOS ANGELES (TheWrap.com) – Fox News is getting into health and wellness. “A Healthy You & Carol Alt,” featuring the veteran supermodel’s own personal tips, will premiere Saturday at 4 p.m./3c, the cable network said. The half-hour show also will include intern=views with celebrity guests; and “Ask Carol” segment will answer viewers’ questions from Facebook and Twitter. Alt, 52, follows a “well-balanced routine” to stay fit. That includes eating a raw-food diet for the past 20 years. …