Not the steroids, but the ancillary drugs that come with the hobby, plus carrying too much weight into later life.
I can't think of many, perhaps anyone, that died from just steroid use. A few that had scares, yes, but they were fine after backing off for a bit. I can also recall a handful of younger powerlifters, etc....that died in their 30's - 40's, but that was more a function of them walking around for decades at 100+ pounds over weight.