Cérebros estão ficando maiores, o que pode reduzir o risco de demência

[{"selector":"#anim-ed658938-6d06-46dc-81e5-0abb8b34135b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-de13ae4a-d1ea-4cfd-ba68-c68e944f6629","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-42e0939a-a74b-471b-9aeb-ccb4ae3ba1c9","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-cf0a196c-ceef-458d-8653-0630594f66ea","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] TEK IMAGE/SCIENCE PHOTO LIBRARY/Getty Images

[{"selector":"#anim-1a33ead9-3a4f-47e1-9add-9ce01bef39e8","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0106e4ce-4ad5-4586-a870-0aec0df20022","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-ebe2b0d0-1d9c-496c-9c7c-db1421a0cbe8","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-073062c4-92ce-406a-80f4-1a625309ae60","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Um novo estudo descobriu que os cérebros humanos estão ficando maiores e que isso pode estar associado a um menor risco de demência Chinnapong/Getty Images

[{"selector":"#anim-67ef4123-f329-444a-adb8-6b502420cfce","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-616ae5c2-5f2d-4877-9fcd-fec25951444d","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-64ed6788-9972-4e78-abac-2c9680bae299","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-b3e9524a-4fe6-4e7e-8758-583436859b95","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] De acordo com pesquisadores da Universidade da Califórnia – Davis Health, nascidos na década de 1970 tinham volumes cerebrais 6,6% maiores e a área de superfície cerebral quase 15% maior do que aqueles nascidos na década de 1930 FG Trade/Getty Images

[{"selector":"#anim-350b370c-2cd0-43dd-be00-401c2c78ea9e","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e341420e-118f-4fec-856a-5d9bc3eb3c41","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-d73e5bf5-6949-4e23-bbea-a7e35d27b714","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-fe2fab04-4506-4f44-8a29-ccf64779caa4","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] As descobertas levantam a hipótese de que o aumento do tamanho cerebral pode levar a um aumento da reserva cerebral, reduzindo potencialmente o risco de demência relacionada a idade Divulgação/Comissão de Energia Atômica da França

[{"selector":"#anim-826a30a8-0be7-4191-ac29-82d39bac97f3","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-16318b49-6a88-4add-af5a-764abb5ef3a2","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-556fa4e5-c453-4a6f-9cbb-9185c905cafa","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-65405719-49ad-4db0-b8e3-ad0653d93dcc","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Para chegar às descobertas, os pesquisadores utilizaram imagens de ressonância magnética do cérebro de participantes do Framingham Heart Study (FHS) Unsplash/Milad Fakurian

[{"selector":"#anim-263c4c2f-55b8-4cdb-bd26-99b882696ac6","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0248bc28-99a8-4189-ba30-2720e738292d","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-f179c323-8c58-4162-91e2-bb9156149409","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-2bb09d40-9ffb-4cd7-aac0-d928fcbbfb55","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Esse estudo foi lançado em 1948 em Framingham, Massachusetts, para analisar padrões de doenças cardiovasculares e outras condições de saúde MASSACHUSETTS GENERAL HOSPITAL/Divulgação

[{"selector":"#anim-c9f0a1f6-1bc2-47da-84c4-744a3d4c413d","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-81a177d9-070a-4a73-8f25-88f3b25afaae","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-f11427b9-85e8-4f23-af35-461b6dd2ea55","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-bbf4714f-2f32-47b3-bca1-3dd5be5da671","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Naquela época, foram analisados 5.209 homens e mulheres com idades entre 30 e 62 anos. A pesquisa continuou por 75 anos e agora inclui novas gerações de participantes BSIP/Universal Images Group via Getty Images

CNNBRASIL.COM.BR

[{"selector":"#anim-1a7da8f7-cfbe-4f67-ba12-70ec16947935","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f64f0f86-cfed-4d1a-a763-3104bc83ae7e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-19f8d43f-a324-4d86-8f71-d90b26a31257","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9526fcd0-f916-4100-83df-4342fba7e8c2","keyframes":{"transform":["translate3d(0px, 2132.63615%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2f15f5f6-c291-43a3-a94d-01491573d14a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a38b1eae-484c-48b4-a719-54f240abfeed","keyframes":{"transform":["translate3d(-117.84387%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3321e2d1-7983-455a-893f-91e514b34a4b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-20c51c6d-7ac1-435f-80ac-d0086e24ea2e","keyframes":{"transform":["translate3d(0px, 1223.93157%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] MASSACHUSETTS GENERAL HOSPITAL/DIVULGAÇÃO leia mais em