SAFED, ISRAEL - MARCH 07: (ISRAEL OUT) A worker touches plants at a cannabis greenhouse at the growing facility of the Tikun Olam company on March 7, 2011 near the northern city of Safed, Israel. In conjunction with Israel's Health Ministry, Tikon Olam are currently distributing cannabis for medicinal purposes to over 1800 people in Israel. (Photo by Uriel Sinai/Getty Images)
