Why can things done to your body affect your soul? If you lobotomize someone, they can’t think anymore. Why does that happen, and what does that mean for the odds that there is an afterlife, when we would be able to think without a body at all? Here’s Galen’s answer: soul-body interactions prove that the soul depends on the body and that the soul isn’t immortal. If you want to learn more about ancient philosophy and science, check out this post! :)