In patients with coronary heart disease those who consumed more omega 3 had a slower rate of shortening of their telomeres. Telomeres are a chromosome marker for biological aging. The study was carried out in the San Francisco Bay area in 608 patients with heart disease, by the University of California. The patients levels of blood omega 3 were measured and telomere length.

After 5 years the Researchers found that those who consumed more Omega 3 rich in oily fish, ostrich, walnuts, lamb and flaxseed had a slower rate of cellular aging.

Reference

1. http://www.diabetesincontrol.com/index.php?option=com_content&view=article&id=8830&catid=1&Itemid=17