"Longevity benefits" refer to the positive effects or advantages that contribute to an individual's longer lifespan or overall health and well-being. Full definition
However, that «comfort» is vaguely analogous to a 50 - year old getting a heart transplant from a 20 - year old: in order to receive the the possible longevity benefit of the youthful heart, the recipient must first survive decades of a suppressed immune system function (not to mention the health and financial costs of massive surgical trauma.) (realclimate.org)
Many experts believe that following the Japanese style of eating has weight - control as well as longevity benefits: As the book title says, «Japanese Women Don't Get Old or Fat.» (health.com)
Pharmaceutical giant Merck is currently testing a new CETP inhibitor, Anacetrapib, but Rader cautions that any potential longevity benefits could simply stem from the drug's ability to decrease the risk of heart disease — the number one killer in the U.S.. (scientificamerican.com)