Antibiotics are chemicals that kill or prevent the growth of bacteria. There are two types of antibiotics, broad spectrum and narrow spectrum and they are classed depending on how specific they are and the variety of bacteria they are effective against. Antibiotics have two main uses, fighting infection and agricultural uses. Antibiotics have been used for many years, in the control of illnesses since the discovery of penicillin by Alexander Fleming over 50 years ago1. In …showed first 75 words of 1454 total…

…showed last 75 words of 1454 total…Scientific American magazine, 1998. - The Challenge of Antibiotic Resistance, by Stuart B. Levy 4.www.fda.gov 5.www.rivervalleyhealthcare.com 6."Antibiotic treatment prevents further heart problems" Susan Aldridge, PhD, 20th August 2002 7."Bacteria on the rampage" Julian Davies, Nature, 19th September 1996 8."The rise of antibiotic-resistant infections" Ricki Lewis, PhD 9.Horizon-Super Bug, January 2000 10.Davey (2002) third edition, Medicine at a Glance, Blackwell Science Ltd. 11.www.bupa.co.uk 12.Kumar, Parveen, Clark, Michael (2002) fifth edition, Clinical Medicine, Harcourt Publishers Ltd.