The decision by biotechnology firm Turing Pharmaceuticals to raise the cost of Pyrimethamine (or Daraprim), a drug used to treat toxoplasmosis, from $13.50 to more than $750 per pill, has aroused shock and outrage. Toxoplasmosis is a parasitic disease to which people with weakened immune systems from of diseases such as AIDS, as well as certain cancer patients, as well …