Dr. Allison Kelliher is an Alaska Native physician, who has long touted the benefits of the traditional Alaska Native diet.

KTVA’s Emily Carlson asked her to weigh in on the success experienced by Igiugig -- a tiny community in Western Alaska, which challenged itself to eat a diet of mostly wild foods for six weeks. It was harder than some people thought it would be.

Find out why so many people who took part in the challenge saw immediate health benefits in part 2 of this week’s Frontiers: “A Subsistence Challenge.”