Challenges of Establishing a National Rare Donor Program in Iran.

Over the past decades, interest in establishing a National Rare Donor Program has increased significantly worldwide. The experience of developing countries, however, is still limited. Rare blood is defined as a blood group found in a 1000- 5000 population and donor has an absence of a high-prevalence antigen, or the absence of multiple common antigens.

Shisha Smoking Practices, Use Reasons, Attitudes, Health Effects and Intentions to Quit among Shisha Smokers in Malaysia.

Despite its popularity, shisha smoking practices, reasons for its use, attitudes, detrimental health effects and intention to quit among shisha users in Malaysia have never been investigated. A total of 503 shisha users responded to a cross-sectional study conducted between July 2015 and March 2016. The majority of users were young people aged 21-30; a small minority were underage.