andrei maryanovich. hello. andrei maryanovich pristrom cardiologist professor doctor of medical sciences head of the department of cardiology and rheumatology of the belarusian medical academy after graduation member of the belarusian national society of cardiology member of the european society of cardiology author of eight patents for an invention in belarus author of more than 350 publications. let's start with, in general, why cholesterol is needed, how it has the main function in our body, all our cells are built from it, that is, it is very important, plus a huge the amount of hormones also has its basis in formation, therefore, our body should so that we synthesize, that is, we produce a large part and only a small part, well, about 20% comes from food, it can be bad and good. let's deal with the bad and and most importantly, with the density of cholesterol cholesterol, it is the same, and the density is those transport systems that deliver it either for processing for destruction, or vice versa, synthesized and which diverges thro