From the introduction: "There are many known risk factors, including blood cholesterol, physical inactivity, age, hypertension, obesity and smoking, but in roughly 15 percent of first-time cardiovascular disease events (CVD) due to atherosclerosis, none of these factors apply."
Perhaps it's not the most 'private' solution, but you might enjoy keeping a diary at www.dabble.me , you get an email everyday with an earlier entry (like from 1yr ago). It's a great source of relativation to track your old emotions and to rediscover old insights. I think you can run it on your own private server if you want to.
