A special fair is taking place during the national smoke-free week (May 25-31) at the Hengam Cultural Center to promote awareness on the adverse effects of smoking. The fair includes free medical, dental and psychological consultation, lung tests, guidance on tobacco abstinence, "as well as introducing organizations involved in drug rehabilitation to the public," said Abouzar Hosseini, deputy of social and cultural affairs at Tehran's District 4 municipality, Mehr News Agency reports.