Previously I have researched and discussed the mental and physical effects of marijuana. But what are the social effects ? There are some positives to smoking marijuana , such as making new friends and meeting new people ; however this could also be negative as marijuana is supposedly a gateway drug and can expose you to new substances. In this blog I will research some more social impacts to put towards my final product. As previously discussed , marijuana has an impact on the brain and effects memory, but also effects concentration and causes people to have less attention. [18] A study [19] has shown that : 'adolescents who used marijuana regularly were significantly less likely than their non-using peers to finish high school or obtain a degree.' This would cause a great impact on their life as means they have limited qualifications compared to their potential if they hadn't smoked marijuana. Another impact that is very similar to this is the lack of concentration ...