Secondhand noise?
Nope, bystanders ears get it first hand. It's a whole lot easier to prove harm from loud noises, than from second hand smoke, in individual cases no less, not just "statistically".
In fact I've got some hearing loss myself due to being a shooter since ... mumble.. mumble, well a good long time, although I came to handguns and rifles more serious than .22 rimfire somewhat late. First handgun shooting was .38 special from Chiefs Special during AFROTC field training. (They didn't have the budget to let us shoot 5.56 and didn't have the .22 conversion units to let us shoot .22 LR). Didn't own a centerfire anything until my older daughter was in high school. Now I have 2 centerfire pistols (both .45 ACP) and 3 centerfire rifles (along with 2 shotguns and 2 .22s).