"Vaccines cause autism." "Vaccines don't cause autism." Both of those convey information. Both are expressed frequently. Only one is backed by research. An

"Vaccines cause autism." "Vaccines don't cause autism." Both of those convey information. Both are expressed frequently. Only one is backed by research. And only one of those is true. At best, Google might be able to tell you which is backed by research. But that's no guarantee that it's the true answer. The study of epistemology is fascinating.