It is more profitable. That is why relatively little R&D money goes into finding cures or creating new type of antibiotics. Pharmaceutical companies have a lon

It is more profitable. That is why relatively little R&D money goes into finding cures or creating new type of antibiotics. Pharmaceutical companies have a long history of despicable behavior. "Pfizer Bribed Nigerian Officials in Fatal Drug Trial, Ex-Employee Claims" (http://www.cbsnews.com/news/pfizer-bribed-nigerian-officials-in-fatal-drug-trial-ex-employee-claims/ http://www.cbsnews.com/news/pfizer-bribed-nigerian-officials...)