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"  According to CNN.com, the drug capecitabine, which is marketed in the US as Xeloda and used to treat cancer patients following chemotherapy, has a just-discovered side effect: depleting fingerprints. According to CNN.com, the condition is termed hand-foot syndrome, which causes the skin on the hands and feet to peel.  It was discovered when a man from Singapore undergoing treatment was detained by US immigration officials after they realized his prints were undetectable, as foreign visitors undergo mandatory fingerprint screening when they enter the US. Though the unidentified patient, named Mr. S, was allowed to enter the US after he was identified as a non-threat, the case prompted a new advisement set by the Mr. S&amp;#039;s oncologist, Eng-Huat Tan, to require a all patients taking the drug to carry a doctor&amp;#039;s note or prepare adequately for similar situations they may encounter. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.womansday.com/health-fitness/womens-health/news/a43723/cancer-drug-erases-fingerprints-4867/>