Spending on drugs will increase only about 4.6 percent this year, compared to a 4.8 percent increase in overall health costs.

While much of the discussion around lowering pharmacy costs has focused on PBM rebates, working with wholesalers could be another promising avenue.

Lawmakers are digging in on investigations into high drug prices, but the pharma industry does not look to be very cooperative.

The price of insulin per person has doubled over the past 5 years, and it's not due to an increase in demand.