As anyone who follows media knows, science abounds with studies of longevity, because most of us, including scientists, hope to lead a full, rich and, above all, lengthy life. But the science of longevity is rife with controversy and contradictions, in part because it is difficult to study life span in organisms that live for many years, including people. So scientists typically turn to shorter-lived creatures like nematodes, fruit flies, lab mice and yeast.
H/T Barry Ritholtz
Guide to Longevity Through Science
Source: NY Times