> But if you had to put one of them inside your body, it's quite possible the gamma ray emitter would be the safer option, simply because more of its energy wou

> But if you had to put one of them inside your body, it's quite possible the gamma ray emitter would be the safer option, simply because more of its energy would escape harmlessly. That's definitely the case with Polonium-210. Even though it emits alpha particles, it's very dangerous to ingest.