Brussels, 04/07/2011 (Agence Europe) - The European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) published a warning on Monday 4 July about the use of khat in Europe, where numbers using this drug “appear to be growing”. The EMCDDA is worried that khat, which can cause mental health problems, and the spread of its use are not fully understood. Khat is a drug from the Catha edulis bush, cultivated in the Horn of Africa, Southern Arabia and along the East African coast, the...