Sometimes, old ways are better than new. Studies show a medieval garlic and bile potion kills MRSA, a deadly superbug. The recipe, from a 10th century medical tome called Bald's Leechbook, proved effective against methicillin-resistant Staphylococcus aureus (MRSA), reported CBS News on March 31. In lab tests, it wiped out a whopping 999 out of 1,000 bacterial cellsMedieval garlic and bile salve kills MRSA superbug: Ancient miracle MRSA cure