<h1>&nbsp;</h1> <div class="toc-about clearfix"> <h1><a href="http://many.at/links2tabs" class="header">Psychology - психологія 心理学 psychologie 心理學 ψυχολογία psychologia मनोविज्ञान pszichológia உளவியலாளர்கள் psicologia మానసిక నిపుణులు 심리학 psykologi tâm lý học psikoloji психология psicólogos علم النفس psicología פסיכולוגיה</a></h1><p>References 1 - 7 for 5 orsaker till att skratta mer - enligt forskning</p> </div><!-- class="about clearfix" --><h1>&nbsp;</h1> <div id="mysitesnoframes" class="sites_content"><ul> <li><a rel="nofollow" href="http://www.expressen.se/halsoliv/det-ar-sant-ett-gott-skratt-forlanger-livet/" ><img src="/wp-content/images/icons/32/globe2.png" width="32" height="32" /><strong>[1] Det är sant: Ett gott skratt förlänger livet</strong>expressen.se</a></li> <li><a rel="nofollow" href="http://www.ncbi.nlm.nih.gov/pubmed/24682001" ><img src="/wp-content/images/icons/32/globe3.png" width="32" height="32" /><strong>[2] en studie</strong>ncbi.nlm.nih.gov</a></li> <li><a rel="nofollow" href="http://link.springer.com/article/10.1007%2Fs11089-005-0007-9" ><img src="/wp-content/images/icons/32/globe4.png" width="32" height="32" /><strong>[3] En studie</strong>link.springer.com</a></li> <li><a rel="nofollow" href="http://ejop.psychopen.eu/article/viewFile/464/354" ><img src="/wp-content/images/icons/32/globe5.png" width="32" height="32" /><strong>[4] en studie</strong>ejop.psychopen.eu</a></li> <li><a rel="nofollow" href="http://www.ncbi.nlm.nih.gov/pubmed/21724041" ><img src="/wp-content/images/icons/32/globe6.png" width="32" height="32" /><strong>[5] en undersökning</strong>ncbi.nlm.nih.gov</a></li> <li><a rel="nofollow" href="http://www.sciencedirect.com/science/article/pii/S0160289611000523" ><img src="/wp-content/images/icons/32/globe7.png" width="32" height="32" /><strong>[6] En annan studie</strong>sciencedirect.com</a></li> <li><a rel="nofollow" href="http://rspb.royalsocietypublishing.org/content/early/2011/09/12/rspb.2011.1373.full" ><img src="/wp-content/images/icons/32/globe8.png" width="32" height="32" /><strong>[7] skrattet utlöser endorfiner</strong>rspb.royalsocietypublishing.org</a></li> </ul></div> Your browser does not handle frames, which are required to view the sites in tabs. Please upgrade to a more modern browser.<br /><br />