The article presents a study that compares different ways of using water pills, or diuretics, for the treatment of patients hospitalized with heart failure.

FORBES: Medicine's Drip of Uncertainty

But, Nul said, the cost of this intervention is lower than the cost of patients being hospitalized, a significant point because much of the cost associated with congestive heart failure stems from patients needing to be hospitalized after they suffer setbacks.

CNN: Study: Heart patients helped by phone calls