I'm with you @Nathan about reading vs. watching. I can read a lot faster, and can skip around, when reading. Oral communication is just too slow! One bit of food for thought (pun intended) is Buettner's failure to mention the Nenets...
Hi, @CallMeKate: After reading all the replies to your request, you may be getting the impression that there's no straightforward answer. That's spot on. Even choosing a good multi isn't that easy. No product can contain all the RDAs of vitamins and minerals. Now THAT would be a horse pill! On...