Author: Russia) Nauchnai︠a︡ konferent︠s︡ii︠a︡ uchashcheĭsi︠a︡ molodi︠o︡zhi po problemam optimizat︠s︡ii zdorovogo obraza zhizni i profilaktiki razvitii︠a︡ vrednykh privychek (2001 Volzhskiĭ