PROLIFIC historical novelist Sir Walter Scott, 1st Baronet of Scotland, wrote: “A rusty nail placed near a faithful compass will sway it from the truth, and wreck the argosy.” In cancer medicine, a toenail rich in selenium, a purplish-gray element, may make an important difference in protecting us from bladder cancer... (Read more ) This article appears in SunStar Cebu newspaper on 19 May 2010.
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