1. The importance of sleep for health has already been discussed in the menu item "Updates on the state of science". In this context, the practical advice is important that the left side position is preferable for optimal functioning of the Glymphatic System (GLS) for cleaning the brain water.
  2. In the article “Olfactory test” the work of Devanand (2019) has already been mentioned. It is known that the sense of smell is the first to disappear together with the sense of orientation in Alzheimer's disease. The long-term study carried out by Devanand et al. now showed that if the memory test (e.g. MMST or DemTect) and the olfactory test B-SIT are successful, the probability of developing Alzheimer's disease in the next 4 years is low at 3.4%. Of course, all other potential diseases of the sense of smell (including those caused by COVID-19) must be excluded.

    Devanand D.P., Lee S., Luchsinger J.A., Andrews H., Goldberg T., Huey E.D., Schupf N., Manley J., Stern Y., Kreisl W.C., Mayeux R. (2019). Intact global cognitive and olfactory ability predicts lack of transition to dementia. Alzheimer’s & Dementia - (2019) 1-9. Elsevier Inc. https://doi.org/10.1016/j.jalz.2019.08.200
  3. Extensive research in recent years has shown that chronic inflammation of the gums (periodontitis) in the course of Alzheimer's disease is linked to the increased occurrence of pharyngeal bacteria in the brains of Alzheimer patients. It is not clear how the bacteria enter the brain. Chronic inflammation poses a great danger to the pathogenesis of Alzheimer's disease, but this is something we are certain about. It is therefore strongly recommended that existing periodontitis be treated immediately.

    Wissenschaft aktuell  24.01.2019