Dear Dr. Roach: I am 85 and healthy apart from polycythemia vera, for which I take aspirin. I was interested in the new blood test for cancer. Is it worthwhile? Dear M.N.: When screening patients for ...
As the old saying goes: There’s no such thing as a free DNA test. Do-it-yourself DNA tests have taken off across the United States in recent years, but now officials are warning of scammers who ...
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