Penicillin was the first antibiotic discovered. Soon more and more antibiotics were developed. The excess amounts of these antibiotics have caused many bacteria to produce strains that are resistant to antibiotics (Nicolaou). During the last decade, there has been a shocking increase in the appearance of antibiotic-resistant bacteria because of an increased use of antibiotics combined with the extraordinary ability of bacteria to develop resistance. A related question and potential problem is whether the supposedly …showed first 75 words of 1418 total…

…showed last 75 words of 1418 total…bacteria to drug sensitivity." Phenotypic Conversion of Bacteria. PMC. New Haven. August 5, 1994. Levy, Stuart "The Challenge of Antibiotic Resistance." http--www.sciam.com-1998-0398issue-0398levy.html. 1998. May 6, 2002 http://www.sciam.com/1998/0398issue/0398levy.html Nicolaou, K. C. "Scientific American: Feature Article: Behind Enemy Lines: May 2001." Behind Enemy Lines. May 2001. May 8, 2002 http://www.sciam.com/2001/0501issue/0501nicolaou.html Priest, Patricia "Antibacterial prescribing and antibacterial resistance in English general practice cross sectional study." BMG. New York. November 3, 2001.