Using powerful technologies, scientists found staggering amounts of lead and other toxic substances in the composer’s hair that may have come from wine, or other sources.Using powerful technologies, scientists found staggering amounts of lead and other toxic substances in the composer’s hair that may have come from wine, or other sources.Read MoreBeethoven, Ludwig van, Lead, Deafness, Classical Music, Poisoning and Poisons, Hazardous and Toxic Substances, DNA (Deoxyribonucleic Acid)NYT > Health