For most children, the National Heart, Lung, and Blood Institute recommends one cholesterol screening test between the ages of 9 and 11, and another cholesterol screening test between the ages of 17 and 21.
Wiktionary (0.00 / 0 votes) Rate this definition: fixation (Noun). The act of fixing, or the state of being fixed or fixated. fixation (Noun). The act of uniting chemically with a solid substance or in a solid form; reduction to a non-volatile condition; -- said of gaseous elements. fixation (Noun). The act or process of ceasing to be fluid and becoming firm.
By its very definition fixation sounds to be an unhealthy practise, but it is something those of us with Borderline Personality Disorder (BPD) quite often find ourselves âguiltyâ of, and I donât think I would be remiss in saying that, more often than not, the subject of our fixation is a person.