March 26/Kuskokwim Delta, Alaska/AFP - RELAXNEWS -- A study of Alaska's Yup'ik Eskimos, who consume 20 times more omega-3 fats from fish than most Americans, suggests these oils can prevent obesity-related illness such as diabetes and heart disease, researchers said.

The researchers analyzed data from 330 people living in the Yukon Kuskokwim Delta region of southwest Alaska.