Swimming in chlorinated pools can cause an increased risk of cancer in bathers, Spanish researchers said on Monday.
Researchers from the Barcelona-based Centre of Research in Environmental Epidemiology (CREAL) and Research Institute Hospital del Mar studied changes in indicators of mutagenicity -- permanent mutation of the DNA -- among a group of swimmers in an indoor chlorinated pool.
I Already knew this but thought I would share. You have the option of saltwater pools. More NATURAL :) FYI : This report comes out AFTER summer ends. Interesting :)