let's ask our guest andrey maryanovich. hello.i maryanovich pristrom cardiologist professor doctor of medical sciences head of the department of cardiology and rheumatology of the belarusian medical academy postgraduate education 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, what cholesterol is for. its main function in our body is to build all our cells, that is, it is very important, plus a huge amount of hormones. it also has its own formation basis. therefore, our body must so that we synthesize produce most of the stream and only a small part, but in order, there 20% acting with food, cholesterol is bad and good. let's deal with the bad 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 di