Prehistoric art tells historians that people once thought congenital diseases, or birth defects, werebad omens or the displeasing of the gods. In one instance, it was thought that cleft lip was caused by themother of the baby being startled by a rabbit. Odd as it may seem, at that time it was the most logicalexplanation for that particular birth defect. However, now we know that a cleft lip is not caused by amother being startled …showed first 75 words of 2014 total…

…showed last 75 words of 2014 total…