It's kind of sad that 77 really isn't that old by today's standards. He'd been calling himself "Old Man" since the show premiered, almost a decade ago, when he was in his late 60's. Just goes to show that attitude and a sedentary lifestyle can be as much of a factor in an untimely death as drug use in the younger years would be, the latter having likely played a role in Anthony Bourdain's suicide.
"...the successful annihilation of organized crime's subculture in America would rock the 'legitimate' world's foundation, which would ultimately force fundamental social changes and redistributions of wealth and power in this country. Meyer Lansky's dream was to bond the two worlds together so that one could not survive without the other." - Dan E. Moldea
