The largest problem with Google Health for many people is that their medical provider does not share data with Google so it is very difficult to get your data i

The largest problem with Google Health for many people is that their medical provider does not share data with Google so it is very difficult to get your data in. I think this would be difficult for a solo start up so you might look into providing easy ways for the user to create data, such as a mobile app like Instant Heart Rate.