Mindennap tehetünk az Alzheimer-kór ellen
Szemlézte: Pöltz Ágnes
2023.05.16. 07:00
A mélyalvás lehet a kulcsa a felejtés kivédésének azon időseknél, akiknek magas a kockázatuk az Alzheimer-kór kialakulására – számol be róla az Independent.
Most a BMC Medicine nevű szakfolyóiratban közölt cikkben a kutatók arról számoltak be, hogy 62 egészséges idős személy EEG-alvásvizsgálata során úgy tapasztalták, hogy a mélyalvásban töltött idő segíthet a demencia kialakulásával szembeni védelemben azoknál, akiknek magas a kockázatuk a neurológiai kórra.
A résztvevők agyában először a PET-scan nevű képalkotó eljárással mérték fel a béta-amiloid fehérje mennyiségét.
Ezt követően hajtották végre az alvásvizsgálatot, majd pedig mindenki egy emlékezeti tesztben vett részt, amiben arcokat és neveket kellett összepárosítaniuk.
Az eredmények alapján azok, akiknél ugyan nagy mértékű béta-amiloid-felhalmozódást tapasztaltak, ám több mélyalvást is regisztráltak a kutatók, jobban teljesítettek a memóriafeladatban, mint akik ugyanilyen mértékű agyi fehérjemennyiség mellett rosszabbul aludtak.
Azoknál ugyanakkor, akiknél nem volt jelen nagy mennyiségű béta-amiloid-lerakódás az agyban, az alvás nem jelentett extra védelmet az emlékezeti folyamatok tekintetében.
Mindezekre alapozva a tudósok azt gondolják, hogy a mélyalvás segíthet kivédeni a béta-amiloid káros hatásait a memóriafunkciókra vonatkozóan.
A cikk egyik szerzője, Matthew Walker úgy nyilatkozott, hogy mindez azért is volna nagyszerű hír, mert az alvás egy olyan dolog, amin viszonylag könnyen tudunk változtatni.
Mindez arra is jó példa, hogy még ha valakinél genetikai hajlam is van jelen egy-egy betegség kialakulására, akkor is léteznek olyan életmódtényezők, amikkel sikeresen tudjuk felvenni a harcot a betegséggel szemben – tette hozzá Závecz Zsófia, a cikk egy másik szerzője.
Iratkozzon fel hírlevelünkre!
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