The consulting firm IMS Health on Tuesday (Sept. 23) suggested policies to help health plans afford expensive drugs such as Sovaldi, including mortgaging drug costs, using loans or insurance and only paying for drugs when they work -- ideas that policymakers began discussing in May . IMS' recommendations place most of the burden on insurers and ask little from drug makers, other than that they consider giving insurers more time to pay or adjust their prices when drugs don’t work...