I'm 50, my father will be 87 in March, he's still working two jobs.
His father died at 92, he probably would have lived a lot longer but his liver gave up from years of drinking. much of it in his later years, especially when his wife, my grandmother passed at 88.

That's the good news.

My mother died at 42. Her father at 56. Her mother at 82.

I suppose they will balance each other out and I've got another 20 years at most.