Healthcare critically appraise the available evidence to smoking water pipes (shisha)in saudi arabia to inform the planning of a potential intervention or programme • Identify a public health issue and critically appraise the available evidence to inform the planning of a potential intervention or programme. What are the basic causes of the health problem and can it be prevented? What evidence is available, what does it tell us? Who is involved, identify stakeholders & assess their involvement What are the most cost- effective approaches to its management? Can health and other services be better organised to deliver the best models of practice? What strategies could be adopted at population level to ameliorate/reduce this health burden?