my name is ekaterina bledskaya. hello.oday we will study in detail a rather difficult problem to face, which everyone can look at in the program. genetics or lifestyle causes of senile dementia dementia and alzheimer 's disease what is the difference and is it possible to stop the process of neuronal death? scientists are still arguing about what causes the disease there are even four main versions of alzheimer's, and my colleagues will talk about them now. so far science is reliable. unknown. why alzheimer 's disease occurs, however, there are four main and competing hypotheses. the first version appeared that the disease is provoked by a decrease in the synthesis of the neurotransmitter acetylcholine. however, this hypothesis has now been refuted. since the use of drugs correcting acetylcholine deficiency showed ineffectiveness in 1991, a hypothesis was proposed, omeloid, according to which the main cause of the disease is the deposition of beta amyloid peptide group, in 2018, doctors noted that the decrease in beta amyl