After 15 years from its publication, the Szeptycki’s check-list of Protura World has been updated. Five new genera and 98 species since then were added. New taxonomical combinations have adopted. Updates to distribution also Globally, list shows 831 belonging 77 arranged in seven families three orders.&nbsp

abstract   background: economy, lack of welfare and social services, aids and civil war, and also substance abuse are predominant factors that attributes with street children.   method: 576 street children of 10-19 years were evaluated. data were gathered by demographic and substance use check list. theses check lists were designed by the researchers and included some simple question about type...