Dr. Daoud, head of preventive services at Ahmadi Hospital showing Sheep lungs: R-healthy Australian sheep, L-local sheep breathing smoke (May, 1991). Dr. Daoud, a Palestinian doctor working in Kuwait for many years, participated in studies of the effects of breathing oil well fire smoke for extended periods of time by dissecting the lungs of sheep kept alive in Kuwait and comparing them with imported sheep. He displayed some of the healthy and diseased lungs.