The Importance of Science in Medicine

Dr Karl is taking your science questions. Vanessa and Naomi from Bangkok want to know if you're exactly at the North Pole, which way does your compass point? Lucy: I'm kind of thinking it's okay by the so-called grandfather rule, but we've always done it that way, so it must be all right,. Which is not the best science. Why are the medical guidelines different from one country to the next? If they're looking at the same data, I'll let the audience worry about that themselves.