{"id":511319,"date":"2025-12-03T14:52:55","date_gmt":"2025-12-03T07:52:55","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=511319"},"modified":"2025-12-03T14:52:55","modified_gmt":"2025-12-03T07:52:55","slug":"tac-hai-bui-min-pm2-5-nhung-phan-ung-am-tham-trong-co-the","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/tac-hai-bui-min-pm2-5-nhung-phan-ung-am-tham-trong-co-the\/","title":{"rendered":"T\u00e1c h\u1ea1i b\u1ee5i m\u1ecbn PM2.5: Nh\u1eefng ph\u1ea3n \u1ee9ng \u00e2m th\u1ea7m trong c\u01a1 th\u1ec3"},"content":{"rendered":"

B\u1ee5i m\u1ecbn PM2.5 l\u00e0 g\u00ec?<\/strong><\/h2>\n

B\u1ee5i m\u1ecbn PM2.5<\/strong> l\u00e0 t\u1eadp h\u1ee3p c\u00e1c h\u1ea1t r\u1eafn v\u00e0 gi\u1ecdt ch\u1ea5t l\u1ecfng si\u00eau nh\u1ecf c\u00f3 \u0111\u01b0\u1eddng k\u00ednh d\u01b0\u1edbi 2.5 micromet \u2013 nh\u1ecf h\u01a1n kho\u1ea3ng 30 l\u1ea7n so v\u1edbi s\u1ee3i t\u00f3c ng\u01b0\u1eddi. Ch\u00ednh k\u00edch th\u01b0\u1edbc c\u1ef1c nh\u1ecf n\u00e0y khi\u1ebfn ch\u00fang d\u1ec5 d\u00e0ng l\u01a1 l\u1eedng trong kh\u00f4ng kh\u00ed v\u00e0 x\u00e2m nh\u1eadp s\u00e2u v\u00e0o h\u1ec7 h\u00f4 h\u1ea5p khi con ng\u01b0\u1eddi h\u00edt ph\u1ea3i. PM2.5 c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb kh\u00ed th\u1ea3i giao th\u00f4ng, ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p, \u0111\u1ed1t r\u00e1c, \u0111\u1ed1t than, ch\u00e1y r\u1eebng ho\u1eb7c th\u1eadm ch\u00ed t\u1eeb c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc trong kh\u00ed quy\u1ec3n. V\u00ec c\u00f3 kh\u1ea3 n\u0103ng \u0111i s\u00e2u \u0111\u1ebfn t\u1eadn ph\u1ebf nang, th\u1eadm ch\u00ed l\u1ecdt v\u00e0o m\u00e1u, b\u1ee5i m\u1ecbn PM2.5 \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t trong nh\u1eefng t\u00e1c nh\u00e2n \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed nguy hi\u1ec3m nh\u1ea5t hi\u1ec7n nay.<\/p>\n

\u0110i\u1ec1u g\u00ec x\u1ea3y ra v\u1edbi c\u01a1 th\u1ec3 khi h\u00edt ph\u1ea3i b\u1ee5i m\u1ecbn PM2.5?<\/strong><\/h2>\n

Trong kh\u00f4ng kh\u00ed \u00f4 nhi\u1ec5m, b\u1ee5i m\u1ecbn PM2.5<\/strong> \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 \u201ck\u1ebb v\u00f4 h\u00ecnh\u201d c\u00f3 th\u1ec3 xuy\u00ean qua m\u1ecdi h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7 t\u1ef1 nhi\u00ean c\u1ee7a c\u01a1 th\u1ec3. V\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n 2.5 micromet, ch\u00fang \u0111\u1ee7 nh\u1ecf \u0111\u1ec3 \u0111i th\u1eb3ng v\u00e0o h\u1ec7 h\u00f4 h\u1ea5p, l\u01b0u l\u1ea1i trong ph\u1ed5i v\u00e0 th\u1eadm ch\u00ed l\u1ecdt v\u00e0o m\u00e1u. Khi h\u00edt ph\u1ea3i lo\u1ea1i b\u1ee5i n\u00e0y, c\u01a1 th\u1ec3 kh\u1edfi \u0111\u1ed9ng h\u00e0ng lo\u1ea1t ph\u1ea3n \u1ee9ng sinh h\u1ecdc nh\u1eb1m t\u1ef1 v\u1ec7, nh\u01b0ng ch\u00ednh c\u00e1c ph\u1ea3n \u1ee9ng \u1ea5y l\u1ea1i c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng l\u00e2u d\u00e0i.<\/p>\n

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\"anh1\"<\/picture><\/p>\n

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B\u1ee5i m\u1ecbn PM2.5 \u0111i v\u00e0o c\u01a1 th\u1ec3 nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h2>\n

Ngay khi ta h\u00edt v\u00e0o, b\u1ee5i si\u00eau nh\u1ecf s\u1ebd v\u01b0\u1ee3t qua l\u1edbp l\u00f4ng m\u0169i v\u00e0 m\u00e0ng nh\u1ea7y v\u1ed1n c\u00f3 nhi\u1ec7m v\u1ee5 l\u1ecdc c\u00e1c h\u1ea1t l\u1edbn. PM2.5 nhanh ch\u00f3ng di chuy\u1ec3n v\u00e0o kh\u00ed qu\u1ea3n, r\u1ed3i ti\u1ebfp c\u1eadn c\u00e1c ph\u1ebf nang \u2013 n\u01a1i trao \u0111\u1ed5i oxy. T\u1ea1i \u0111\u00e2y, ch\u00fang b\u00e1m v\u00e0o ni\u00eam m\u1ea1c v\u00e0 b\u1eaft \u0111\u1ea7u k\u00edch ho\u1ea1t ph\u1ea3n \u1ee9ng vi\u00eam.<\/p>\n

Do c\u1ea5u tr\u00fac c\u1ef1c nh\u1ecf, nhi\u1ec1u h\u1ea1t b\u1ee5i c\u00f2n c\u00f3 th\u1ec3 xuy\u00ean qua th\u00e0nh ph\u1ebf nang, b\u01b0\u1edbc th\u1eb3ng v\u00e0o h\u1ec7 tu\u1ea7n ho\u00e0n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn b\u1ee5i m\u1ecbn kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf ph\u1ed5i m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tim, n\u00e3o, m\u1ea1ch m\u00e1u v\u00e0 nhi\u1ec1u c\u01a1 quan kh\u00e1c.<\/p>\n

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Ph\u1ed5i ch\u1ecbu \u1ea3nh h\u01b0\u1edfng \u0111\u1ea7u ti\u00ean v\u00e0 n\u1eb7ng n\u1ec1 nh\u1ea5t<\/strong><\/h2>\n

Ph\u1ed5i l\u00e0 \u201cc\u1eeda ng\u00f5\u201d ti\u1ebfp nh\u1eadn b\u1ee5i m\u1ecbn PM2.5, v\u00ec v\u1eady c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra t\u1ea1i \u0111\u00e2y th\u01b0\u1eddng nhanh v\u00e0 r\u00f5 r\u1ec7t. C\u00e1c t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch l\u1eadp t\u1ee9c \u0111\u01b0\u1ee3c huy \u0111\u1ed9ng \u0111\u1ec3 \u201cnu\u1ed1t\u201d b\u1ee5i, nh\u01b0ng kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u1ee7a ch\u00fang c\u00f3 gi\u1edbi h\u1ea1n. Khi l\u01b0\u1ee3ng b\u1ee5i t\u0103ng cao, h\u1ec7 mi\u1ec5n d\u1ecbch b\u1ecb qu\u00e1 t\u1ea3i, g\u00e2y s\u01b0ng vi\u00eam \u1edf m\u00f4 ph\u1ed5i.<\/p>\n

Trong th\u1eddi gian d\u00e0i, t\u00ecnh tr\u1ea1ng n\u00e0y khi\u1ebfn ph\u1ed5i gi\u1ea3m \u0111\u1ed9 \u0111\u00e0n h\u1ed3i, ch\u1ee9c n\u0103ng trao \u0111\u1ed5i kh\u00ed suy gi\u1ea3m. Nhi\u1ec1u nghi\u00ean c\u1ee9u ghi nh\u1eadn s\u1ef1 li\u00ean quan gi\u1eefa PM2.5 v\u00e0 nguy c\u01a1 hen suy\u1ec5n, vi\u00eam ph\u1ebf qu\u1ea3n m\u1ea1n t\u00ednh v\u00e0 x\u01a1 ph\u1ed5i ti\u1ebfn tri\u1ec3n. Tr\u1ebb em v\u00e0 ng\u01b0\u1eddi cao tu\u1ed5i ch\u1ecbu \u1ea3nh h\u01b0\u1edfng m\u1ea1nh nh\u1ea5t v\u00ec h\u1ec7 h\u00f4 h\u1ea5p c\u1ee7a h\u1ecd y\u1ebfu h\u01a1n.<\/p>\n

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B\u1ee5i m\u1ecbn PM2.5 v\u00e0 h\u1ec7 tim m\u1ea1ch: m\u1ed9t m\u1ed1i \u0111e d\u1ecda \u00e2m th\u1ea7m<\/strong><\/h2>\n

Khi \u0111\u00e3 v\u00e0o m\u00e1u, b\u1ee5i m\u1ecbn PM2.5 tr\u1edf th\u00e0nh \u201ck\u00fd sinh l\u1ea1\u201d tr\u00f4i n\u1ed5i trong h\u1ec7 tu\u1ea7n ho\u00e0n. Ch\u00fang k\u00edch th\u00edch c\u01a1 th\u1ec3 gi\u1ea3i ph\u00f3ng c\u00e1c ch\u1ea5t g\u00e2y vi\u00eam, l\u00e0m th\u00e0nh m\u1ea1ch tr\u1edf n\u00ean nh\u1ea1y c\u1ea3m v\u00e0 d\u1ec5 t\u1ed5n th\u01b0\u01a1ng. L\u00e2u d\u1ea7n, th\u00e0nh m\u1ea1ch c\u00f3 th\u1ec3 b\u1ecb x\u01a1 c\u1ee9ng, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho m\u1ea3ng b\u00e1m cholesterol ph\u00e1t tri\u1ec3n.<\/p>\n

H\u1eadu qu\u1ea3 l\u00e0 nguy c\u01a1 \u0111au tim, \u0111\u1ed9t qu\u1ef5 ho\u1eb7c t\u0103ng huy\u1ebft \u00e1p c\u00f3 th\u1ec3 gia t\u0103ng, \u0111\u1eb7c bi\u1ec7t v\u1edbi ng\u01b0\u1eddi c\u00f3 b\u1ec7nh n\u1ec1n tim m\u1ea1ch. Hi\u1ec3u theo c\u00e1ch kh\u00e1c, PM2.5 gi\u1ed1ng nh\u01b0 nh\u1eefng h\u1ea1t c\u00e1t li ti li\u00ean t\u1ee5c m\u00e0i m\u00f2n h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn m\u00e1u c\u1ee7a c\u01a1 th\u1ec3.<\/p>\n

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T\u00e1c \u0111\u1ed9ng l\u00ean n\u00e3o v\u00e0 h\u1ec7 th\u1ea7n kinh<\/strong><\/h2>\n

Theo c\u01a1 ch\u1ebf v\u1eadn chuy\u1ec3n qua m\u00e1u, m\u1ed9t ph\u1ea7n b\u1ee5i m\u1ecbn c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn n\u00e3o b\u1ed9. Khi t\u00edch t\u1ee5 nhi\u1ec1u, ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh d\u1eabn truy\u1ec1n th\u1ea7n kinh v\u00e0 th\u00fac \u0111\u1ea9y ph\u1ea3n \u1ee9ng vi\u00eam t\u1ea1i m\u00f4 n\u00e3o. Nhi\u1ec1u nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y cho th\u1ea5y ng\u01b0\u1eddi ti\u1ebfp x\u00fac l\u00e2u v\u1edbi m\u1ee9c PM2.5 cao d\u1ec5 g\u1eb7p t\u00ecnh tr\u1ea1ng suy gi\u1ea3m tr\u00ed nh\u1edb, r\u1ed1i lo\u1ea1n t\u1eadp trung ho\u1eb7c t\u0103ng nguy c\u01a1 b\u1ec7nh tho\u00e1i h\u00f3a th\u1ea7n kinh.<\/p>\n

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H\u1ec7 mi\u1ec5n d\u1ecbch b\u1ecb k\u00edch ho\u1ea1t li\u00ean t\u1ee5c<\/strong><\/h2>\n

H\u00edt ph\u1ea3i b\u1ee5i m\u1ecbn PM2.5 nh\u01b0 k\u00edch ho\u1ea1t chu\u00f4ng b\u00e1o \u0111\u1ed9ng trong c\u01a1 th\u1ec3. H\u1ec7 mi\u1ec5n d\u1ecbch ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c h\u1ea1t l\u1ea1, d\u1eabn \u0111\u1ebfn tr\u1ea1ng th\u00e1i vi\u00eam m\u1ea1n t\u00ednh m\u1ee9c \u0111\u1ed9 th\u1ea5p. \u0110i\u1ec1u n\u00e0y khi\u1ebfn c\u01a1 th\u1ec3 d\u1ec5 m\u1ec7t m\u1ecfi, gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i virus, vi khu\u1ea9n v\u00e0 t\u0103ng nguy c\u01a1 d\u1ecb \u1ee9ng \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p.<\/p>\n

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\"anh2\"<\/picture><\/p>\n

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Ai d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng nh\u1ea5t?<\/strong><\/h2>\n