How does a change of atmospheric pressure affect out ability to breathe?

a href="http://quadsearch.csd.auth.gr/isearch.php?lan=1&sd=0&tos=4&v=2&m=1&frop=1&query=atmospheric+pressure+and+breathing&Gch=1&Ych=1&Mch=1&Ach=1&ResPerPage=12&as=0&i=26&ims=0" rel="nofollow"http://quadsearch.csd.auth.gr/isearch.ph…/a