I could not resist re-posting this pearl (thanks Peter):
Lancet. 1996 Sep 21;348(9030):784-8. "Blood pressure and atherogenic lipoprotein profiles of fish-diet and vegetarian villagers in Tanzania: the Lugalawa study."
INTERPRETATION: In these villagers, consumption of freshwater fish (300-600 g daily) was associated with raised plasma concentrations of n-3 polyunsaturated fatty acids, lower blood pressure, and lower plasma lipid concentrations.Heretic's translation: