Not surprisingly, the Pew Internet and American Life Project recently issued a report on e-health finding:
Those with chronic conditions are more likely than other e-patients to report that their online searches affected treatment decisions, their interactions with their doctors, their ability to cope with their condition, and their dieting and fitness regimen.
Check out the NPR story on this as well.
Something for the Health 2.0 crowd to consider as they build out their products and platforms: the most robust market is a public that is older, more chronically ill or disabled — not the the early-adopter target demographic of other Web 2.0 ventures.