<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>MrBuddyCasino</author><text>Here is something: &lt;a href=&quot;http://news.bbc.co.uk/sport2/hi/motorsport/formula_one/4121126.stm&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;news.bbc.co.uk&amp;#x2F;sport2&amp;#x2F;hi&amp;#x2F;motorsport&amp;#x2F;formula_one&amp;#x2F;41211...&lt;/a&gt;&lt;p&gt;Apparently the surgery was unrelated, they found lots of carbon brake dust in his lungs purely by chance. No conclusion on whether it is dangerous or not.&lt;p&gt;Edit: grahamel was quicker :)</text><parent_chain><item><author>exDM69</author><text>Formula 1 and other open wheel racing drivers have been exposed to carbon fiber dust (from the carbon-carbon brakes) for a few decades now. There is some research going on with former racing drivers.&lt;p&gt;E.g. former F1 driver Mika Salo underwent surgery where his lungs were examined to assess the effects of repeated exposure to burned carbon fiber dust (this was several years ago). Unfortunately, I do not have any links to sources nor do I know the results of the research.&lt;p&gt;Another big question mark is the health and environmental effects of graphene. There is a lot of research going on in applications of graphene but only now there have been research projects into possible negative effects on the environment.</text></item></parent_chain></comment><story><title>German armed forces warn that carbon fiber might be cancer-causing</title><url>http://www.ndr.de/nachrichten/niedersachsen/Bundeswehr-warnt-vor-Krebs-durch-Carbonfasern,cfk114.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>grahamel</author><text>I remember this. Article link &lt;a href=&quot;http://news.bbc.co.uk/sport1/hi/motorsport/formula_one/4121126.stm&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;news.bbc.co.uk&amp;#x2F;sport1&amp;#x2F;hi&amp;#x2F;motorsport&amp;#x2F;formula_one&amp;#x2F;41211...&lt;/a&gt;</text><parent_chain><item><author>exDM69</author><text>Formula 1 and other open wheel racing drivers have been exposed to carbon fiber dust (from the carbon-carbon brakes) for a few decades now. There is some research going on with former racing drivers.&lt;p&gt;E.g. former F1 driver Mika Salo underwent surgery where his lungs were examined to assess the effects of repeated exposure to burned carbon fiber dust (this was several years ago). Unfortunately, I do not have any links to sources nor do I know the results of the research.&lt;p&gt;Another big question mark is the health and environmental effects of graphene. There is a lot of research going on in applications of graphene but only now there have been research projects into possible negative effects on the environment.</text></item></parent_chain></comment><story><title>German armed forces warn that carbon fiber might be cancer-causing</title><url>http://www.ndr.de/nachrichten/niedersachsen/Bundeswehr-warnt-vor-Krebs-durch-Carbonfasern,cfk114.html</url></story>