Image from Wikipedia When Beethoven composed his 9th Symphony, it was an amazing accomplishment especially when considering he did so totally deaf. It has been a medical mystery as to what caused his slowly progressive hearing loss to the point of deafness, but a recent publication suggests it was due to chronic low-level lead exposure consumed from wine tainted with lead. FACT: High levels of lead were found deep in the bone suggesting chronic lead exposure over a long period of tim…