<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>caleb-allen</author><text>Your first source states in the abstract that causality between marijuana use and altered brain function was not determined&lt;p&gt;&lt;i&gt;edit:&lt;/i&gt; if anything I think more research is needed to inform effective regulation. I&amp;#x27;m astonished how little there is on this drug</text><parent_chain><item><author>anyanswers</author><text>&amp;gt; weed is certainly the weakest of drugs (including alcohol) wrt harm for the body.&lt;p&gt;is the brain a part of the body?&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;pmc&amp;#x2F;articles&amp;#x2F;PMC3930618&amp;#x2F;&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;pmc&amp;#x2F;articles&amp;#x2F;PMC3930618&amp;#x2F;&lt;/a&gt;&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.apa.org&amp;#x2F;monitor&amp;#x2F;2015&amp;#x2F;11&amp;#x2F;marijuana-brain&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.apa.org&amp;#x2F;monitor&amp;#x2F;2015&amp;#x2F;11&amp;#x2F;marijuana-brain&lt;/a&gt;</text></item><item><author>noobermin</author><text>It&amp;#x27;s funny because for years, as the opening of the article suggests, usual teenage vices (booze, drugs, and sex) have been dropping contrary to 80s teen movie stereotypes. FWIW, apart from the potential concerns with inhaling vaporized anything--something people skeptical of vaping point to although the science hasn&amp;#x27;t really established if it is harmful or not yet, weed is certainly the weakest of drugs (including alcohol) wrt harm for the body.</text></item></parent_chain></comment><story><title>Teen Marijuana Vaping Soars, Displacing Other Habits</title><url>https://www.nytimes.com/2019/12/18/health/teen-drug-use.html</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>ipnon</author><text>Alcohol and cannabis are both detrimental to brain development.</text><parent_chain><item><author>anyanswers</author><text>&amp;gt; weed is certainly the weakest of drugs (including alcohol) wrt harm for the body.&lt;p&gt;is the brain a part of the body?&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;pmc&amp;#x2F;articles&amp;#x2F;PMC3930618&amp;#x2F;&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;pmc&amp;#x2F;articles&amp;#x2F;PMC3930618&amp;#x2F;&lt;/a&gt;&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.apa.org&amp;#x2F;monitor&amp;#x2F;2015&amp;#x2F;11&amp;#x2F;marijuana-brain&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.apa.org&amp;#x2F;monitor&amp;#x2F;2015&amp;#x2F;11&amp;#x2F;marijuana-brain&lt;/a&gt;</text></item><item><author>noobermin</author><text>It&amp;#x27;s funny because for years, as the opening of the article suggests, usual teenage vices (booze, drugs, and sex) have been dropping contrary to 80s teen movie stereotypes. FWIW, apart from the potential concerns with inhaling vaporized anything--something people skeptical of vaping point to although the science hasn&amp;#x27;t really established if it is harmful or not yet, weed is certainly the weakest of drugs (including alcohol) wrt harm for the body.</text></item></parent_chain></comment><story><title>Teen Marijuana Vaping Soars, Displacing Other Habits</title><url>https://www.nytimes.com/2019/12/18/health/teen-drug-use.html</url></story>