Catha edulis, an international socio-medical problem with considerable pharmacological implications.

It is evident from the mentioned studies that the medical and psychosocial effects of khat chewing are hazardous both to the individual and the community. The habituation of khat chewing seriously effects the psychoeconomic structure of the subject. Being aware of the increasing prevalence of khat chewing (often together with other drugs), it is essential to assess the health and socio-economic problems of khat habituation in order to take further, appropriate medical and social measures.