Why Hasn’t Natural Selection Eliminated Heritable Disease? - Facts So Romantic
▻http://nautil.us/blog/why-hasnt-natural-selection-eliminated-heritable-disease
John Charles Martin “Johnny” Nash was a teen when he first started hearing a voice in his head. A born-again Christian, he interpreted this voice as God speaking to him. Once, he walked into the middle of a busy highway because the voice said he should. He was an accomplished chess player and math whiz, but playing and calculating became increasingly hard. It wasn’t long until a psychiatrist diagnosed him with schizophrenia. It was the same mental disorder his brilliant father John Forbes Nash, the late Nobel Prize winning mathematician who was famously portrayed by Russell Crowe in A Beautiful Mind, suffered from. Schizophrenia affects more than 21 million people worldwide, and is highly heritable. So are thousands of other devastating diseases. This poses a conundrum for scientists (...)
