DEC 14, 2011

Fresh Air in the Fight Against Malaria
Malaria has been a known disease since antiquity. Its name means bad air, “mala aria” in medieval Italian, because it was so pervasive near the smelly swamps around Rome during medie
NOV 30, 2011

The PSA Test Controversy
The Prostate Specific Antigen, commonly known as the PSA, is a protein made only by the prostate gland. It was found that patients with prostate cancer had significantly elevated PSA lev
NOV 23, 2011

Sensitivity and Specificity, Part II
The controversy surrounding breast cancer screening relates to the concept that a screening tool must be both sensitive and specific. Numerous observations challenge the specificity and