C\u00e1c nh\u00e0 sinh v\u1eadt h\u1ecdc ph\u00e1t hi\u1ec7n, n\u00f3i chung tu\u1ed5i th\u1ecd c\u1ee7a sinh v\u1eadt g\u1ea5p 8 – 10 l\u1ea7n th\u1eddi gian gi\u1edbi t\u00ednh th\u00e0nh th\u1ee5c, ch\u00edn mu\u1ed3i. N\u1ebfu c\u0103n c\u1ee9 theo th\u1eddi gian gi\u1edbi t\u00ednh th\u00e0nh th\u1ee5c c\u1ee7a con ng\u01b0\u1eddi l\u00e0 14 – 15 n\u0103m th\u00ec tu\u1ed5i th\u1ecd c\u1ee7a con ng\u01b0\u1eddi ph\u1ea3i l\u00e0 110 – 150 tu\u1ed5i. Nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf tu\u1ed5i th\u1ecd c\u1ee7a con ng\u01b0\u1eddi ph\u1ea7n nhi\u1ec1u ch\u1ec9 c\u00f3 70 – 80 tu\u1ed5i. \u0110i\u1ec1u \u0111\u00f3 l\u00e0 v\u00ec nguy\u00ean nh\u00e2n g\u00ec?<\/p>\n\n\n\n
Nguy\u00ean l\u00e0 m\u00f4i tr\u01b0\u1eddng ng\u00e0y c\u00e0ng b\u1ecb \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng, d\u1eabn \u0111\u1ebfn h\u00e0ng lo\u1ea1t b\u1ec7nh m\u00f4i tr\u01b0\u1eddng, \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn \u0111\u1ebfn s\u1ee9c kho\u1ebb c\u1ee7a con ng\u01b0\u1eddi v\u00e0 khi\u1ebfn cho tu\u1ed5i th\u1ecd c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi b\u1ecb r\u00fat ng\u1eafn, c\u00f3 ng\u01b0\u1eddi th\u1eadm ch\u00ed c\u00f2n r\u1ea5t tr\u1ebb \u0111\u00e3 ch\u1ebft.<\/p>\n\n\n\n
M\u1ea5y n\u0103m g\u1ea7n \u0111\u00e2y, khi nghi\u00ean c\u1ee9u v\u1ec1 b\u1ec7nh tim v\u00e0 b\u1ec7nh xu\u1ea5t huy\u1ebft n\u00e3o, ng\u01b0\u1eddi ta \u0111\u00e3 kh\u00f4ng ng\u1eebng ph\u00e1t hi\u1ec7n r\u1ea5t nhi\u1ec1u b\u1ec7nh tr\u01b0\u1edbc \u0111\u00e2y kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n nh\u01b0ng th\u1ef1c ra kh\u00f4ng ph\u1ea3i do vi khu\u1ea9n m\u00e0 l\u00e0 do m\u00f4i tr\u01b0\u1eddng sinh s\u1ed1ng b\u1ecb \u00f4 nhi\u1ec5m g\u00e2y n\u00ean. C\u00e1c nh\u00e0 khoa h\u1ecdc th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch, \u0111\u00e3 \u0111o \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c c\u00e1c nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc trong c\u01a1 th\u1ec3, t\u1eeb \u0111\u00f3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c nhi\u1ec1u nguy\u00ean t\u1ed1 trong c\u01a1 th\u1ec3 c\u00f3 h\u00e0m l\u01b0\u1ee3ng b\u00ecnh qu\u00e2n gi\u1ed1ng v\u1edbi h\u00e0m l\u01b0\u1ee3ng c\u00e1c nguy\u00ean t\u1ed1 \u0111\u00f3 trong \u0111\u1ea5t. H\u1ecd c\u00f2n \u0111o \u0111\u01b0\u1ee3c \u0111\u1ed9 phong ph\u00fa c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 trong Tr\u00e1i \u0110\u1ea5t c\u01a1 b\u1ea3n th\u1ed1ng nh\u1ea5t v\u1edbi \u0111\u1ed9 phong ph\u00fa c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 t\u01b0\u01a1ng \u1ee9ng trong m\u00e1u c\u1ee7a ng\u01b0\u1eddi. Nh\u1eefng \u0111i\u1ec1u n\u00e0y ch\u1ee9ng t\u1ecf s\u1ee9c kho\u1ebb c\u1ee7a con ng\u01b0\u1eddi c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ecba l\u00ed m\u00e0 h\u1ecd sinh s\u1ed1ng.<\/p>\n\n\n\n
C\u00e1c v\u1eadt s\u1ed1ng khi n\u00f3 \u0111ang t\u1ed3n t\u1ea1i, m\u1ed9t m\u1eb7t kh\u00f4ng ng\u1eebng h\u1ea5p thu c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i, m\u1eb7t kh\u00e1c lu\u00f4n \u0111\u00e0o th\u1ea3i c\u00e1c ch\u1ea5t ra m\u00f4i tr\u01b0\u1eddng. Con ng\u01b0\u1eddi c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7. \u0110\u1ed3ng th\u1eddi v\u1edbi vi\u1ec7c h\u1ea5p thu v\u00e0 \u0111\u00e0o th\u1ea3i, gi\u1eefa con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f2n h\u00ecnh th\u00e0nh s\u1ef1 c\u00e2n b\u1eb1ng \u0111\u1ed9ng v\u1ec1 trao \u0111\u1ed5i ch\u1ea5t. Th\u00f4ng qua m\u1ed9t th\u1eddi gian d\u00e0i v\u1ec1 ti\u1ebfn ho\u00e1, di truy\u1ec1n v\u00e0 bi\u1ebfn d\u1ecb, lo\u00e0i ng\u01b0\u1eddi \u0111\u00e3 th\u00edch \u1ee9ng v\u1edbi m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean m\u00e0 m\u00ecnh sinh s\u1ed1ng. Trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i kh\u00f4ng c\u00f3 g\u00ec bi\u1ebfn \u0111\u1ed5i l\u1edbn th\u00ec qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t gi\u1eefa con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng lu\u00f4n \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng. Nh\u01b0ng khi m\u00f4i tr\u01b0\u1eddng ph\u00e1t sinh bi\u1ebfn \u0111\u1ed5i \u0111\u1ed9t bi\u1ebfn th\u00ec s\u1ef1 c\u00e2n b\u1eb1ng b\u00ecnh th\u01b0\u1eddng n\u00e0y s\u1ebd b\u1ecb ph\u00e1 ho\u1ea1i. L\u00fac \u0111\u00f3 c\u01a1 th\u1ec3 kh\u00f4ng th\u00edch \u1ee9ng \u0111\u01b0\u1ee3c n\u1eefa.<\/p>\n\n\n\n
Ng\u00e0y nay m\u00f4i tr\u01b0\u1eddng m\u00e0 con ng\u01b0\u1eddi sinh s\u1ed1ng \u0111ang ph\u00e1t sinh bi\u1ebfn \u0111\u1ed5i to l\u1edbn, m\u00f4i tr\u01b0\u1eddng \u0111\u00e3 b\u1ecb \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng. Ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1eddi s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi \u0111\u00e3 s\u1ea3n sinh ra m\u1ed9t l\u01b0\u1ee3ng ch\u1ea5t \u00f4 nhi\u1ec5m r\u1ea5t l\u1edbn, n\u00f3 b\u1ecb \u0111\u00e0o th\u1ea3i v\u00e0o trong m\u00f4i tr\u01b0\u1eddng, ph\u00e1 ho\u1ea1i tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng c\u1ee7a m\u00f4i tr\u01b0\u1eddng, t\u1eeb \u0111\u00f3 m\u00e0 r\u1ea5t c\u00f3 h\u1ea1i cho c\u01a1 th\u1ec3. Nhi\u1ec1u ch\u1ea5t \u00f4 nhi\u1ec5m nh\u01b0: thu\u1ef7 ng\u00e2n, ca\u0111imi, asen, cyanua, phenol, benzen nhi\u1ec1u v\u00f2ng flo, thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt v.v\u2026 \u0111\u00e3 l\u00e0m \u00f4 nhi\u1ec5m b\u1ea7u kh\u00f4ng kh\u00ed, n\u01b0\u1edbc, \u0111\u1ea5t \u0111ai xung quanh ch\u00fang ta, th\u00f4ng qua chu\u1ed7i th\u1ee9c \u0103n m\u00e0 x\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 ng\u01b0\u1eddi. V\u00ec v\u1eady c\u00f3 th\u1ec3 th\u1ea5y m\u00f4i tr\u01b0\u1eddng c\u00f3 vai tr\u00f2 v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kho\u1ebb v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Tu\u1ed5i th\u1ecd; \u00d4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c nh\u00e0 sinh v\u1eadt h\u1ecdc ph\u00e1t hi\u1ec7n, n\u00f3i chung tu\u1ed5i th\u1ecd c\u1ee7a sinh v\u1eadt g\u1ea5p 8 – 10 l\u1ea7n th\u1eddi gian gi\u1edbi t\u00ednh th\u00e0nh th\u1ee5c, ch\u00edn mu\u1ed3i. N\u1ebfu c\u0103n c\u1ee9 theo th\u1eddi gian gi\u1edbi t\u00ednh th\u00e0nh th\u1ee5c c\u1ee7a con ng\u01b0\u1eddi l\u00e0 14 – 15 n\u0103m th\u00ec tu\u1ed5i th\u1ecd c\u1ee7a con ng\u01b0\u1eddi ph\u1ea3i l\u00e0 110 – […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,17],"tags":[],"class_list":["post-9591","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9591","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9591"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9591\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}