Disease pyramid shows the cause and related circumstance of disease. To design strategy, we should describe problems related to the disease and tasks we can approach.
Disease life starts from High risk stage, and soon or later it will evident. High risk stage means no one can diagnose the disease but statistically enough data shows the person will suffer the disease in higher possibility than the population.
In Early stage, patients sometimes do not aware of the symptoms. In that case we need health checkup. There will be so much false positives and false negatives, therfor screening is the most costly process.
In Moderate stage, patients aware some symptoms or feeling of something different. Not a few disease are not easy to diagnose in primary care settings. In moderate stage
There are several types of health enhancement approaches.