I don't think that matters. As the whale dives, their lungs get squished together, so the air inside them is at a higher pressure, just as it would be if you br

I don't think that matters. As the whale dives, their lungs get squished together, so the air inside them is at a higher pressure, just as it would be if you breathed from a pressure regulator. The noise pollution -> decompression sickness theory is apparently an established thing: http://www.nature.com/scitable/blog/saltwater-science/do_whales_suffer_from_decompression http://www.nature.com/scitable/blog/saltwater-science/do_wha...