The reviewers consider areas in which little research has been conducted. This includes possible health consequences of secondhand marijuana smoke; the long-term impact of prenatal marijuana exposure; the therapeutic potential of the individual chemicals found in the marijuana plant; and effects of marijuana legalization policies on public health.
Links
[1] http://www.nih.gov/news/health/jun2014/nida-04.htm
[2] http://rethinkpot.org/tags/research
[3] http://rethinkpot.org/tags/study
[4] http://rethinkpot.org/tags/addiction
[5] http://rethinkpot.org/tags/second-hand-smoke
[6] http://rethinkpot.org/tags/chemicals