You can cruise the world's millions of omega-3 Web sites without encountering any reflections about where these prized fatty acids are coming from and at what social or environmental cost. For some people, what goes into their bodies has become an overriding obsession. Perhaps we are witnessing a successor to the Me Generation--namely, the Don't Care About the Rest of the World as Long as I Have a Spa and Some Omega-3 Fatty Acids Generation. Let's call it the Omega-3 Generation for short. Or is that thought just too depressing?