Slightly overweight 40+ year old people live longer than underweight or overweight people. Ideal weight vs Overweight is fairly even with some study's showing

Slightly overweight 40+ year old people live longer than underweight or overweight people. Ideal weight vs Overweight is fairly even with some study's showing slightly overweight being heather. http://www.breitbart.com/article.php?id=CNG.c7aaeb7940626693fa418a1eab2291f6.81 http://www.breitbart.com/article.php?id=CNG.c7aaeb7940626693... http://www.oregonlive.com/health/index.ssf/2009/06/portland_researchers_find_slig.html http://www.oregonlive.com/health/index.ssf/2009/06/portland_... PS: This difference could be social vs physical with more active people taking more risks in their daily lives.