educational research 1 Exclude matching results health 1 Exclude matching results health damage 1 Exclude matching results learners 1 Exclude matching results pathological dependences 1 Exclude matching results patologické závislosti 1 Exclude matching results pedagogický výskum 1 Exclude matching results poškodenie zdravia 1 Exclude matching results prevencia (sociálne problémy) 1 Exclude matching results prevention (social problems) 1 Exclude matching results risk behavior 1 Exclude matching results rizikové správanie 1 Exclude matching results zdravie 1 Exclude matching results žiaci 1 Exclude matching results