Demência: estudo mostra sinal que pode prever risco até dez anos antes

[{"selector":"#anim-cd3d3a22-0dcd-4928-a1ac-80b290156392","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3c10ee4c-6dc7-44f9-9a49-9cd8dea25430","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-6b542e93-91f0-4d48-8e63-6aadb1e92183","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-4bdc205b-3c44-48d5-8ad9-d845d9b5188e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Anna Shvets/Pexels

[{"selector":"#anim-37ca468c-9ff8-4fa8-83a4-58a51b157de0","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ea52a796-39e4-4163-8c06-44c8eb21c0b1","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-96e9d862-430e-495f-97e0-87ad550f205a","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-febb93ff-6e9e-4a3f-87f1-d569de2f6b56","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Um novo estudo descobriu um sinal que pode indicar risco de demência de cinco a dez anos antes do surgimento dos sintomas – que incluem perda de memória, problemas na fala e na escrita e dificuldade de compreender informações Freepick

[{"selector":"#anim-5bb4a77a-7388-475a-92f7-275aee71abc6","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d1133fd0-971d-4943-9042-4e7c7ecbde96","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-ccc84ab5-76f3-43cf-bc4d-b3d5775a854c","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-41b7b249-809c-429f-9fac-dc8c19a94ef2","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Segundo os pesquisadores, o estreitamento de uma faixa de tecido cerebral chamada substância cinzenta cortical fica mais fina em pessoas que desenvolvem declínio cognitivo storyset/Freepick

[{"selector":"#anim-d5673994-3eb6-496b-be46-56d1999a2c86","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ae296bf4-0122-4921-b2d7-4c685b4546a5","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-9deee71d-bda4-454f-9141-c37e7f6393ba","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-7a20f78a-7fc4-496f-b045-b85348d3d943","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] No estudo, os pesquisadores do Centro de Ciências da Saúde da Universidade do Texas, nos Estados Unidos, analisaram mais de mil participantes de um estudo chamado Framingham Heart Study e mais 500 voluntários da Califórnia Freepick

[{"selector":"#anim-766746f1-6224-40dd-b1b5-f3a497699e63","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d40b1173-655f-4230-993f-0c3f371ae5f3","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-cf9b6529-a324-457b-ac30-ed9788c97f77","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-d99aafc8-aa05-41d6-8b3b-06d0f4a55811","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Todos foram submetidos a um exame de ressonância magnética no cérebro Anna Shvets/Pexels

[{"selector":"#anim-638a1965-5a27-4730-a154-55ef24d62a0d","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6cfec840-a97e-40d2-a541-e45a81588919","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-a12da5a7-3879-4733-a26d-6ad0f3edd34e","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-ba3ec2cf-6fbf-4257-bad8-0d2828bf84d1","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] O estudo comparou pessoas com e sem demência no momento da ressonância magnética. Também foram analisados os exames feitos 10 anos antes para comparar os resultados wirestock/Freepick

[{"selector":"#anim-b521fc97-0c6e-436c-95f2-23d0cb450748","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3a06a712-a11e-44c9-b952-489b5df023c9","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-ed83e43a-3d04-4549-81b3-3b947dbb3fbb","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-e0a3e249-1028-4e29-b4c8-351556acf959","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1ff15c02-1d21-46f7-8b5c-2a3193950bc5","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-511e4c76-ae21-40fe-a319-deea7337c112","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Os resultados mostraram que faixas mais finas da substância cinzenta cortical do cérebro estavam relacionadas ao declínio cognitivo e ao desenvolvimento de demência, enquanto faixas mais grossas da mesma região tiveram resultados melhores nos exames de ressonância magnética MART PRODUCTION/Pexels

[{"selector":"#anim-b4c01943-defe-45ac-bbd8-a9cd9c4271cd","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d3b1fa09-141e-416b-bfff-c27fb4a981fb","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-9bf2c107-b45f-4779-b23d-6d5097877152","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-c8ad48a2-7509-4046-9ad0-f64bfbc7688b","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Na visão dos autores do estudo, as descobertas podem ajudar a identificar precocemente pessoas com alto risco de desenvolver demência macrovetor/Freepick

CNNBRASIL.COM.BR

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