The medicinal properties of opium have been known for millennia, and by 4000 BCE, both Sumerian and European cultures were using it as a narcotic. Early in the 19th century, British merchants began smuggling opium into China, and by 1905, more than a quarter of China’s male population was addicted to the drug. The generous use of opium-derived morphine in treating wounded American Civil War soldiers also produced many addicts. How much morphine does one gram of poppy seeds contain? Discuss