Here's an excellent case: applying evolutionary principles to cancer improves diagnosis. You are a collection of (mostly) dividing cells, a population moving forward in time, and understanding that explains a great deal about how changes, like cancer, can occur. Okay, I wasn't paying close enough attention, I guess. Who was saying doctors didn't need to know evolution? yeah, but that's just micro evolution. Besides, it's also defying YHWH's will, since if He didn't want you to die from...