ciência
18 de outubro de 2026 às 14:07 • 1 min de leitura • 1 fontePor que cachorros de grande porte vivem menos? Resposta pode estar no DNA
Por que cachorros de grande porte vivem menos? Resposta pode estar no DNA Resumo editorial nao gerado pelo portal: o servico de sumarizacao nao estava disponivel na publicacao. O texto integral e a atualizacao de hoje devem ser lidos na fonte original. Fonte da materia: Exame. Categoria informada pela fonte: ciência.
'%2F%3E%3Cstop%20offset%3D'1'%20stop-color%3D'rgb(46%2C42%2C38)'%2F%3E%3C%2FlinearGradient%3E%3Cpattern%20id%3D'p'%20width%3D'95'%20height%3D'95'%20patternUnits%3D'userSpaceOnUse'%20patternTransform%3D'rotate(86)'%3E%3Ccircle%20cx%3D'48'%20cy%3D'48'%20r%3D'5'%20fill%3D'rgb(68%2C64%2C60)'%20fill-opacity%3D'.22'%2F%3E%3C%2Fpattern%3E%3C%2Fdefs%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23f)'%2F%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23p)'%2F%3E%3Ctext%20x%3D'400'%20y%3D'252'%20fill%3D'rgb(68%2C64%2C60)'%20fill-opacity%3D'.42'%20font-family%3D'Georgia%2Cserif'%20font-size%3D'210'%20font-weight%3D'700'%20text-anchor%3D'middle'%3EC%3C%2Ftext%3E%3C%2Fsvg%3E)
ciência
1 fonte citadaImagem ilustrativa • Crédito: fontes citadas abaixo
item-62250
Em 30 segundos
Resumo rápido indisponível para esta matéria — veja as fontes abaixo.
Leia o texto completo na fonte original abaixo.
Fontes apuradas 1
Rastreabilidade total: cada trecho acima pertence à fonte indicada • como apuramos
Você pode gostar mais em ciência →
'%2F%3E%3Cstop%20offset%3D'1'%20stop-color%3D'rgb(168%2C162%2C158)'%2F%3E%3C%2FlinearGradient%3E%3Cpattern%20id%3D'p'%20width%3D'93'%20height%3D'93'%20patternUnits%3D'userSpaceOnUse'%20patternTransform%3D'rotate(62)'%3E%3Crect%20width%3D'93'%20height%3D'23'%20fill%3D'rgb(120%2C113%2C108)'%20fill-opacity%3D'.20'%2F%3E%3C%2Fpattern%3E%3C%2Fdefs%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23f)'%2F%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23p)'%2F%3E%3Ctext%20x%3D'400'%20y%3D'252'%20fill%3D'rgb(120%2C113%2C108)'%20fill-opacity%3D'.42'%20font-family%3D'Georgia%2Cserif'%20font-size%3D'210'%20font-weight%3D'700'%20text-anchor%3D'middle'%3EC%3C%2Ftext%3E%3C%2Fsvg%3E)
ciênciaCanetas emagrecedoras podem agir no cérebro? GLP-1 são testados contra vício e depressãoLer '%2F%3E%3Cstop%20offset%3D'1'%20stop-color%3D'rgb(46%2C42%2C38)'%2F%3E%3C%2FlinearGradient%3E%3Cpattern%20id%3D'p'%20width%3D'85'%20height%3D'85'%20patternUnits%3D'userSpaceOnUse'%20patternTransform%3D'rotate(30)'%3E%3Crect%20width%3D'85'%20height%3D'21'%20fill%3D'rgb(168%2C162%2C158)'%20fill-opacity%3D'.20'%2F%3E%3C%2Fpattern%3E%3C%2Fdefs%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23f)'%2F%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23p)'%2F%3E%3Ctext%20x%3D'400'%20y%3D'252'%20fill%3D'rgb(168%2C162%2C158)'%20fill-opacity%3D'.42'%20font-family%3D'Georgia%2Cserif'%20font-size%3D'210'%20font-weight%3D'700'%20text-anchor%3D'middle'%3EC%3C%2Ftext%3E%3C%2Fsvg%3E)
ciênciaO que acontece com os ovários após a menopausa? Estudo revela que continuam ativosLer '%2F%3E%3Cstop%20offset%3D'1'%20stop-color%3D'rgb(120%2C113%2C108)'%2F%3E%3C%2FlinearGradient%3E%3Cpattern%20id%3D'p'%20width%3D'88'%20height%3D'88'%20patternUnits%3D'userSpaceOnUse'%20patternTransform%3D'rotate(78)'%3E%3Cpath%20d%3D'M0%2044h88'%20stroke%3D'rgb(87%2C83%2C78)'%20stroke-width%3D'6'%20stroke-opacity%3D'.22'%2F%3E%3C%2Fpattern%3E%3C%2Fdefs%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23f)'%2F%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23p)'%2F%3E%3Ctext%20x%3D'400'%20y%3D'252'%20fill%3D'rgb(87%2C83%2C78)'%20fill-opacity%3D'.42'%20font-family%3D'Georgia%2Cserif'%20font-size%3D'210'%20font-weight%3D'700'%20text-anchor%3D'middle'%3EC%3C%2Ftext%3E%3C%2Fsvg%3E)
ciênciaNova espécie de tubarão de apenas 21,5 cm é descoberta nas profundezas do Oceano ÍndicoLer '%2F%3E%3Cstop%20offset%3D'1'%20stop-color%3D'rgb(168%2C162%2C158)'%2F%3E%3C%2FlinearGradient%3E%3Cpattern%20id%3D'p'%20width%3D'80'%20height%3D'80'%20patternUnits%3D'userSpaceOnUse'%20patternTransform%3D'rotate(46)'%3E%3Cpath%20d%3D'M0%2040h80'%20stroke%3D'rgb(120%2C113%2C108)'%20stroke-width%3D'6'%20stroke-opacity%3D'.22'%2F%3E%3C%2Fpattern%3E%3C%2Fdefs%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23f)'%2F%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23p)'%2F%3E%3Ctext%20x%3D'400'%20y%3D'252'%20fill%3D'rgb(120%2C113%2C108)'%20fill-opacity%3D'.42'%20font-family%3D'Georgia%2Cserif'%20font-size%3D'210'%20font-weight%3D'700'%20text-anchor%3D'middle'%3EC%3C%2Ftext%3E%3C%2Fsvg%3E)
ciênciaPrimeiros animais podem ter surgido 200 milhões de anos antes do previsto, diz estudoLer '%2F%3E%3Cstop%20offset%3D'1'%20stop-color%3D'rgb(46%2C42%2C38)'%2F%3E%3C%2FlinearGradient%3E%3Cpattern%20id%3D'p'%20width%3D'99'%20height%3D'99'%20patternUnits%3D'userSpaceOnUse'%20patternTransform%3D'rotate(66)'%3E%3Cpath%20d%3D'M0%2050h99'%20stroke%3D'rgb(87%2C83%2C78)'%20stroke-width%3D'6'%20stroke-opacity%3D'.22'%2F%3E%3C%2Fpattern%3E%3C%2Fdefs%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23f)'%2F%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23p)'%2F%3E%3Ctext%20x%3D'400'%20y%3D'252'%20fill%3D'rgb(87%2C83%2C78)'%20fill-opacity%3D'.42'%20font-family%3D'Georgia%2Cserif'%20font-size%3D'210'%20font-weight%3D'700'%20text-anchor%3D'middle'%3EC%3C%2Ftext%3E%3C%2Fsvg%3E)
ciênciaCasos de AVC entre adultos jovens aumentam 83% em quase 30 anos, aponta estudoLer '%2F%3E%3Cstop%20offset%3D'1'%20stop-color%3D'rgb(87%2C83%2C78)'%2F%3E%3C%2FlinearGradient%3E%3Cpattern%20id%3D'p'%20width%3D'91'%20height%3D'91'%20patternUnits%3D'userSpaceOnUse'%20patternTransform%3D'rotate(34)'%3E%3Ccircle%20cx%3D'46'%20cy%3D'46'%20r%3D'30'%20fill%3D'none'%20stroke%3D'rgb(120%2C113%2C108)'%20stroke-opacity%3D'.25'%20stroke-width%3D'4'%2F%3E%3C%2Fpattern%3E%3C%2Fdefs%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23f)'%2F%3E%3Crect%20width%3D'800'%20height%3D'450'%20fill%3D'url(%23p)'%2F%3E%3Ctext%20x%3D'400'%20y%3D'252'%20fill%3D'rgb(120%2C113%2C108)'%20fill-opacity%3D'.42'%20font-family%3D'Georgia%2Cserif'%20font-size%3D'210'%20font-weight%3D'700'%20text-anchor%3D'middle'%3EC%3C%2Ftext%3E%3C%2Fsvg%3E)
ciênciaPor que células cancerígenas menores podem ser mais agressivas?Ler O que você achou desta cobertura?
Participe da conversa com outros leitores na comunidade.