Learning a foreign language can increase the size of your brain.
Scientists refuse to admit that Phrenology, which claims that the shape of the head and landmarks on it are related to the mental, emotional, and personality makeup of an individual, is a valid science.
The study being reported on in the news story below, which looked for links between facial asymmetry and health, is Phrenology in all but name.
The news article reprinted below proves Phrenology is a legitimate scientific discipline in all but name. The story details how scientists have discovered that specific facial looks are associated with certain genetic conditions, which themselves are associated with particular personality and mental characteristics. Which is exactly what Phrenology claims.