Everyone knows Beethoven went deaf, but nobody really knew what killed him until now. Let’s get into it. For centuries, people talked about his genius and his misery like they were the same thing. And as it turns out, they kinda were. The man who gave the world symphonies was being poisoned every single day of his life. Scientists have tested the locks of hair that fans snipped from his head when he died in 1827. And what they found was pure mayhem. His body was loaded with lead, arsenic, and mercury. His wine, his medicine, even the glass he...