Kobayashi Pharmaceutical Co. said Friday that it has confirmed a fifth death possibly linked to its red yeast rice dietary supplements, but has yet to determine the substance that may be responsible for causing health problems amid hundreds of reports of people falling ill.The drugmaker as well as Japan's health ministry said the company's examination unexpectedly found puberulic acid, a natural compound made from blue mold, in the products. The ministry said the substance is a potent antibacterial and antimalarial agent that can be toxic.An official of the Health, Labor and Welfare Ministr…READ FULL ARTICLE