Misadventures in medicating

I suppose there is two ways to look at these numbers:
1) pharmacists are needed to help prevent these types of reactions
2) why aren't pharmacists catching more drug-related problems

From the National Post:
Many of the patients filling Canada's crowded hospitals are there because of side effects and other problems with their medication -- and most of those drug "misadventures" could be prevented, a new study suggests.

Almost one in four admissions to the internal-medicine ward of British Columbia's largest hospital was the result of adverse drug reactions, doctors prescribing the wrong medicine or similar glitches, the study found. ...more