- Theydidsoinordertodistinguishthemselvesfromcharlatansandquackswhopurveyanti-agingproductsandtreatmentsthatareineffectiveandsometimesharmful.Idon'tknowwhichismoredangerous,thatreligiousbeliefsforcesomepeopletochoosebetweenknowledgeandmythorthatpointi...
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