Kac: the footnote I have says AJCN Vol 78, No 1, July 2003, pp 40-46. That should help.Carla: Omega 3s are polyunsaturated fatty acids primarily from cold water fish. Salmon is a great source; but only the wild variety. They cannot be made in sufficient amounts in our body, and are highly useful in controlling our triglycerides for maximum heart health. Like Hip Jan I had heard they were useful for diarrhea, but had no indication why until reading about this possible serotonin connection. I think you would need to adopt an Eskimo diet to get enough on a daily basis; but the supplements are cheap. I have been taking them just for the last month within a new supplement for cholesterol control and have found a new level of stool compacting. Having been controlling my d for years with flavonoids, this seems to be adding the final touch, as it were.