The good news seems to be confirmed: the impact of dementia (including Alzheimer’s disease) would be down about 20 %
A figure that arouses an enthusiasm tempered among health professionals because it means that the number of new cases in each age group decreases, not the number of patients decreases. There will be 20% of people with dementia in the least among those over 85 years of age in 2020 than in 2010, but as there will be, at the same time, a lot more people over 85 years of age, the number of patients will increase still.
“The most interesting, in the works studying this phenomenon, what are the hypotheses proposed to explain this decline, says the Pr Mathieu Ceccaldi, head of the department of neurology and neuropsychology at the hospital of la Timone, in Marseille.
They offer today of avenues of support to maintain cardiovascular health and promote brain plasticity as well as research avenues for the future. ” A good level of education is correlated with a reduced risk of Alzheimer’s disease The first factor that researchers have identified is the level of schooling, based on the numerous studies have already shown that a good level of education is correlated with a reduced risk of Alzheimer’s disease.
Several studies in which the patient had agreed to entrust their brain to researchers after their death have shown that more education not slowing down the pace of invasion of the lesions in the brain but that the symptoms had appeared later in patients who have studied for a longer time. Better health vasculaireLes scholars speak now of cognitive reserve: the disease is in fact also prevalent among people who have studied longer, but they have developed more neural connections in their brain, which is then able to compensate for the losses related to the accumulation of proteins in certain areas. The brain can operate with a smaller volume of neurons intact, and a number of these patients die for other reasons before symptoms – and the state in late dementia – appear. When it finally appears, the researchers note that it is evolving very quickly since the majority of the brain is already paralyzed by the protein deformed.
The second element is that vascular health has progressed for many decades, perhaps because of better schooling leads to a healthier lifestyle but mostly because of the efforts of fight against smoking, hypertension, hypercholesterolemia, diabetes, and inactivity have produced their effects. The decrease in the number of cerebral vascular accidents as well as their best support seem to be particularly significant in the current evolution of the epidemiology of the dementias. The level of education have been increasing during the Twentieth century, it seemed logical that the Alzheimer’s disease reverses.
Was it really one more reason to continue to say “Pass your bac first”? .