{"id":59564,"date":"2022-07-04T09:24:43","date_gmt":"2022-07-04T02:24:43","guid":{"rendered":"https:\/\/asprou.com\/?p=59564"},"modified":"2023-04-06T15:46:53","modified_gmt":"2023-04-06T08:46:53","slug":"goc-tu-do-nguon-goc-cua-lao-benh-tu","status":"publish","type":"post","link":"https:\/\/asprou.com\/khoa-duoc\/goc-tu-do-nguon-goc-cua-lao-benh-tu\/","title":{"rendered":"G\u1ed0C T\u1ef0 DO – NGU\u1ed2N G\u1ed0C C\u1ee6A L\u00c3O, B\u1ec6NH, T\u1eec"},"content":{"rendered":"\n
T\u1eeb r\u1ea5t xa x\u01b0a, con ng\u01b0\u1eddi lu\u00f4n \u01b0\u1edbc m\u01a1 v\u00e0 kh\u00f4ng ng\u1eebng t\u00ecm ki\u1ebfm b\u00ed quy\u1ebft tr\u01b0\u1eddng sinh b\u1ea5t t\u1eed. Cho \u0111\u1ebfn nay v\u1eabn ch\u01b0a c\u00f3 ai t\u00ecm \u0111\u01b0\u1ee3c thu\u1ed1c tr\u01b0\u1eddng sinh b\u1ea5t t\u1eed, tuy nhi\u00ean c\u00e1c ti\u1ebfn b\u1ed9 khoa h\u1ecdc k\u1ef9 thu\u1eadt ng\u00e0y nay gi\u00fap con ng\u01b0\u1eddi hi\u1ec3u r\u00f5 c\u01a1 ch\u1ebf l\u00e3o h\u00f3a v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p n\u00e2ng cao tu\u1ed5i th\u1ecd con ng\u01b0\u1eddi. V\u1eady \u0111i\u1ec1u g\u00ec l\u00e0m cho con ng\u01b0\u1eddi lu\u00f4n ph\u1ea3i \u0111\u1ed1i di\u1ec7n v\u1edbi l\u00e3o ? b\u1ec7nh ? v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 t\u1eed ? Th\u1ee7 ph\u1ea1m ch\u00ednh l\u00e0 g\u1ed1c t\u1ef1 do (free radical). V\u1eady g\u1ed1c t\u1ef1 do l\u00e0 g\u00ec ? T\u1ea1i sao n\u00f3 l\u1ea1i c\u00f3 s\u1ee9c ph\u00e1 h\u1ee7y l\u1edbn \u0111\u1ebfn nh\u01b0 v\u1eady v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 h\u1ea1n ch\u1ebf c\u00e1c t\u00e1c h\u1ea1i do g\u1ed1c t\u1ef1 do g\u00e2y ra \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang ta ?<\/p>\n\n\n\n
G\u1ed1c t\u1ef1 do l\u00e0 g\u00ec ?<\/strong>
G\u1ed1c t\u1ef1 do l\u00e0 nh\u1eefng nguy\u00ean t\u1eed hay ph\u00e2n t\u1eed ch\u1ee9a m\u1ed9t hay nhi\u1ec1u \u0111i\u1ec7n t\u1eed (electron) ch\u01b0a gh\u00e9p c\u1eb7p (electron \u0111\u1ed9c th\u00e2n) \u1edf qu\u1ef9 \u0111\u1ea1o ngo\u00e0i c\u00f9ng. [1] Do s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a \u0111i\u1ec7n t\u1eed n\u00e0y, c\u00e1c g\u1ed1c t\u1ef1 do c\u00f3 m\u1ed9t thu\u1ed9c t\u00ednh \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng oxi h\u00f3a r\u1ea5t cao. N\u00f3i m\u1ed9t c\u00e1ch kh\u00e1c, b\u1ea5t k\u1ef3 nguy\u00ean t\u1eed hay h\u1ee3p ch\u1ea5t n\u00e0o c\u0169ng ph\u1ea3i c\u00f3 c\u1eb7p electron (\u0111\u00f4i \u0111i\u1ec7n t\u1eed). C\u00f3 \u201c\u0111\u1ee7 c\u1eb7p\u201d th\u00ec n\u00f3 b\u1ec1n, v\u00e0 b\u1ec1n th\u00ec \u201cngoan ngo\u00e3n\u201d, nh\u01b0ng v\u00ec m\u1ed9t s\u1ed1 l\u00fd do, c\u00f3 nh\u1eefng nguy\u00ean t\u1eed (hay ph\u00e2n t\u1eed) thi\u1ebfu \u0111i m\u1ed9t \u0111i\u1ec7n t\u1eed, thi\u1ebfu th\u00ec ph\u1ea3i \u0111i t\u00ecm, v\u00e0 t\u00ecm b\u1eb1ng c\u00e1ch \u201cgi\u1eadt\u201d \u0111i\u1ec7n t\u1eed c\u1ee7a \u201ch\u00e0ng x\u00f3m\u201d, h\u1eadu qu\u1ea3 l\u00e0 h\u00e0ng x\u00f3m thi\u1ebfu, h\u00e0ng x\u00f3m l\u1ea1i \u0111i \u201cgi\u1eadt\u201d ti\u1ebfp \u0111i\u1ec7n t\u1eed, v\u00e0 m\u1ed9t lo\u1ea1t nh\u1eefng h\u00e0nh \u0111\u1ed9ng \u201cc\u01b0\u1edbp\u201d \u0111i\u1ec7n t\u1eed l\u00e0m cho ph\u1ea3n \u1ee9ng c\u1ee9 th\u1ebf x\u1ea3y ra.<\/p>\n\n\n\n