Patlisiso e ncha e tsoang Univesithing ea Iowa e bontša hore batho ba nang le maemo a phahameng a lik'hemik'hale tse itseng 'meleng ea bona, e leng se bontšang ho pepesehela chefo e bolaeang likokoanyana e sebelisoang hangata, ba kotsing e kholo ea ho bolaoa ke lefu la pelo. Liphetho, tse hatisitsoeng ho JAMA Internal Medicine, sh...
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