It concerns individuals who have never had a heart attack and who don’t have (or don’t know that they have) atherosclerosis.
It's interesting to Evaluate your cardiovascular risk.
It relates to individuals who have already presented a cardiovascular event (be it cerebral, cardiac or affecting the legs) and those who are diabetic.
In both cases:
The patient needs to adopt a healthy lifestyle in order to lower risk factors and hence maintain good health. Proper nutrition is one of the essential factors.