Have we found the fountain of youth? Scientists are discovering ways to make animals live dramatically longer through calorie restriction — a diet that requires eating at least 30 percent fewer calories than normal. QUEST investigates why we age and what the societal costs are for living well beyond 100.

Eat Less, Live Longer? 13 March,2012Rachel Raney


Rachel Raney

Rachel Raney is a Segment Producer for QUEST on KQED Television.


Joan Johnson

Joan Johnson is an TV Associate Producer for QUEST. Joan got her start making science television back in 1998 when she joined the team at Sea Studios in Monterey, working as a researcher and production coordinator on National Geographic Television projects for 4 years. Following that she pursued a career in features and network television down in Los Angeles, working on seven full length feature films, three television shows and several pilots. Joan graduated in 1993 from U.C. Santa Cruz with honors in Biology, and spent several years working as a marine biologist, naturalist and SCUBA guide. Originally from San Francisco, Joan is thrilled to be home and working on QUEST, fulfilling a long-term goal of combining her interests in science and entertainment.

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