I jumpseated last night on a Fedex DC-10 from MSP.
One of the pilots claimed that a study revealed interesting things about a pilot's lifespan. Naturally some factors are controlled by pilots, such as exercize, diet, how often, with high seniority allowing some to avoid certain schedules etc.
He claimed that many pilots who fly all night for a career until age 60 die within a few years of retirement, but pilots who quit at age 57 have a much higher chance of living years longer, if I heard correctly.
How about after flying transoceanic legs during day and night for many years?