That's where Melissa Ilardo need much bigger studies asking people to see how long they can hold their breath. Marc Feldman More Quotes by Marc Feldman More Quotes From Marc Feldman People vary in that particular phenotype( or trait), but it's not one that we go around testing very much. It's not like( body-mass index), height or levels of high cholesterol. there aren't enough people who spend so much time underwater to make a really definitive statistical statement. Marc Feldman top-news What we're taking about is evolution over a relatively short time span. Marc Feldman top-news
