Ключевые слова: abbreviation, acronym, background, bad, black, blackboard, board, cardiovascular, care, chalk, chemistry, cholesterol, clinical, concept, dangerous, definition, diagnosis, disease, doctor, education, fat, good, hand, hdl, health, healthcare, high density, hospital, hypercholesterolemia, illness, learn, level, life, lipid, lipoprotein, medical, message, phrase, prevent, risk, science, teaching, term, test, text, therapy, unhealthy, word,