If you&#x27;re interested this paper has a very detailed look at how flights affect us<p><a href="http:&#x2F;&#x2F;www.ncbi.nlm.nih.gov&#x2F;pubmed&#x2F;21981017" rel="nofollow">http:&#x2F;&#x2F;www.ncbi.nlm.nih.gov&#x2F;pubmed&#x2F;21981017</a><p>I read it when I had access years ago.