Angina and coronary atherosclerosis have been described since the 1700's
Cambridge Journals Online - Medical History - Abstract - DR. JOHN FOTHERGILL AND THE ANGINA PECTORIS
Recent evaluations of mummies from 3500 years ago revealed definite evidence of coronary artery disease in half of those investigated.
http://imaging.onlinejacc.org/articl...icleid=1110017
Attempts to replicate Price's data which were published in his own book and never submitted for publication in a medical journal, failed. No increased atherosclerosis with drinking of chlorine
Ingestion of chlorinated water has no effect upon indicators of cardiovascular disease in pigeons
So your history lesson is wrong. And the study you use is highly suspect. But I see from the user name that you are selling a product to save us from chlorine, so that may explain your motivation in the posting of this information