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Rock on. Having a 1 or 2 micro habits to act on, that often infect other aspects of your health, is a must. Those targeted behavior hits should be at the top level of your personalized report. Now getting people to follow through, week after week, month after month, year after year = a tough human problem.

Side note: We have an analog mechanism for daily behavior change, due out in Spring 2014 ... the Health Axioms: http://www.healthaxioms.com.

Thanks. I'm familiar with the material. We have run several micro-studies with real clinicians and real patients with excellent results. Could it be better? Hell yes. Give it a whirl asolove, give it a whirl.

Maybe this takes a second glance to understand, I agree.

There are a few dozen ways to present and graph data, that humans can quickly lock onto. The circular arrangement may or may not be the penultimate method to visualize health data, but it does afford a few good byproducts like seeing outliers quickly, identifying potential patterns (if you're looking across people), etc.

The high-level hGraph with ~18 metrics (we're pretty sure this isn't The Set) is the galactic view, just to give you an instant sense of your health. Once you dive into the data, the level of fidelity increases. Think of the Eames 10x10 flick of seeing the universe and then zooming in to get to the atomic levels that reveal trends, history, etc.

Directionality is how you construct the model (and then interpret it). You can eat too much. You can live in a hazardous environment (with too little X and too much Y). You're right that demographics will have a severe impact on metrics. That bias should be represented in the viz/algorithm.

hGraph needs some TLC from clinicians, policy-makers, and we the patients in order to get it to the next level.

Check out the screenshots of the health detail displays. If you have questions, fire away.

-Juhan, juhan@mit.edu, hGraph co-author