Lead Poisoning Due to Adulterated Marijuana. Volume 358:1641-1642  April 10, 2008  Number 15 . Correspondence. Franziska Busse, Leyla Omidi, Alexander Leichtle, et al. As a consequence of strict regulations, lead intoxication has not occurred in Germany in recent decades. Recently, during a period of 3 to 4 months, 29 patients (16 to 33 years of age) were admitted to four different hospitals in the greater Leipzig area (population, approximately 650,000) with classic signs and symptoms of lead intoxication.  Read more; in Fomat  PDF