{"id":33707,"date":"2026-06-12T11:12:34","date_gmt":"2026-06-12T11:12:34","guid":{"rendered":"https:\/\/stagvape.com\/do-lungs-regenerate-after-quitting-smoking"},"modified":"2026-06-12T11:30:23","modified_gmt":"2026-06-12T11:30:23","slug":"do-lungs-regenerate-after-quitting-smoking","status":"publish","type":"post","link":"https:\/\/stagvape.com\/cs\/studie-o-vapingu\/do-lungs-regenerate-after-quitting-smoking","title":{"rendered":"Regeneruj\u00ed se pl\u00edce po ukon\u010den\u00ed kou\u0159en\u00ed? V\u011bda za regenerac\u00ed"},"content":{"rendered":"\n

Tvrzen\u00ed o u\u017e\u00edv\u00e1n\u00ed tab\u00e1ku uv\u00e1d\u00ed, \u017ee ka\u017ed\u00fd rok po cel\u00e9m sv\u011bt\u011b p\u0159iprav\u00ed o \u017eivot \u0161est milion\u016f lid\u00ed \u2013 p\u0159edpokl\u00e1d\u00e1 se, \u017ee do roku 2030 tento po\u010det vzroste na osm milion\u016f. Proto je ukon\u010den\u00ed kou\u0159en\u00ed jedn\u00edm z nejz\u00e1sadn\u011bj\u0161\u00edch zdravotn\u00edch rozhodnut\u00ed, kter\u00e9 m\u016f\u017ee \u010dlov\u011bk ud\u011blat. Zat\u00edmco z\u00e1vislost na nikotinu \u010din\u00ed p\u0159est\u00e1n\u00ed velice n\u00e1ro\u010dn\u00fdm, pneumologov\u00e9 potvrzuj\u00ed, \u017ee lidsk\u00fd d\u00fdchac\u00ed syst\u00e9m m\u00e1 neuv\u011b\u0159iteln\u011b odolnou schopnost l\u00e9\u010dit a regenerovat po\u0161kozen\u00e9 tk\u00e1n\u011b, jakmile p\u0159estane p\u016fsobit toxick\u00fd cigaretov\u00fd kou\u0159.<\/p>\n\n

Podle studi\u00ed \u0161pan\u011blsk\u00e9ho N\u00e1rodn\u00edho v\u00fdboru pro prevenci kou\u0159en\u00ed<\/a> i vykou\u0159en\u00ed jedin\u00e9ho cigarety denn\u011b zvy\u0161uje cholesterol a podporuje vznik diabetu. Ve chv\u00edli, kdy ale ku\u0159\u00e1k p\u0159ekon\u00e1 chut\u011b a p\u0159estane, t\u011blo okam\u017eit\u011b spust\u00ed mechanismy opravy, aby zlep\u0161ilo funkci d\u00fdchac\u00edho syst\u00e9mu a sn\u00ed\u017eilo rizika chronick\u00e9 obstruk\u010dn\u00ed plicn\u00ed nemoci (CHOPN) a rakoviny plic.<\/p>\n\n

Bun\u011b\u010dn\u00fd z\u00e1zrak: Jak se plicn\u00ed bu\u0148ky l\u00e9\u010d\u00ed<\/h2>\n\n

\u201ePl\u00edce jsou org\u00e1n, kter\u00fd je konzumac\u00ed tab\u00e1ku nejv\u00edce zasa\u017een, ale jejich regenera\u010dn\u00ed schopnost je siln\u00e1 a nastupuje rychle,\u201c vysv\u011btluje Dr. Carlos Jim\u00e9nez<\/strong>, pneumolog a \u010dlen \u0160pan\u011blsk\u00e9 spole\u010dnosti pneumologie a hrudn\u00ed chirurgie (SEPAR).<\/p>\n\n

Studie z roku 2021<\/a> od Wellcome Sanger Institute a University College London (UCL) odhalila, \u017ee lid\u00e9, kte\u0159\u00ed p\u0159estali kou\u0159it, m\u011bli a\u017e \u010dty\u0159ikr\u00e1t vy\u0161\u0161\u00ed pod\u00edl geneticky zdrav\u00fdch plicn\u00edch bun\u011bk ne\u017e ti, kte\u0159\u00ed v kou\u0159en\u00ed pokra\u010dovali.<\/p>\n\n

U aktivn\u00edch ku\u0159\u00e1k\u016f toxick\u00e9 l\u00e1tky, jako jsou nitrosaminy, po\u0161kozuj\u00ed genom respira\u010dn\u00edho epitelu (bun\u011bk, kter\u00e9 tvo\u0159\u00ed v\u00fdstelku plic). Toto genetick\u00e9 po\u0161kozen\u00ed vytv\u00e1\u0159\u00ed atypick\u00e9 bu\u0148ky, kter\u00e9 funguj\u00ed jako p\u0159edch\u016fdci n\u00e1dor\u016f. Kdy\u017e \u010dlov\u011bk p\u0159estane, p\u0159estane pl\u00edc\u00edm vystavovat tyto karcinogeny, \u010d\u00edm\u017e se umo\u017en\u00ed mno\u017een\u00ed z\u00e1sob nepo\u0161kozen\u00fdch bun\u011bk a jejich nahrazen\u00ed mutovan\u00fdmi.<\/p>\n\n

\u201eRegenera\u010dn\u00ed ka\u0161el\u201c: Obnoven\u00ed \u010distic\u00edho syst\u00e9mu plic<\/h2>\n\n

Jednou z prvn\u00edch fyzick\u00fdch zm\u011bn, kter\u00fdch si b\u00fdval\u00ed ku\u0159\u00e1ci v\u0161imnou, je do\u010dasn\u00e9 zv\u00fd\u0161en\u00ed ka\u0161le a vyka\u0161l\u00e1v\u00e1n\u00ed hlenu. I kdy\u017e to m\u016f\u017ee p\u016fsobit znepokojiv\u011b, ve skute\u010dnosti jde o zn\u00e1mku aktivn\u00edho hojen\u00ed.<\/p>\n\n

Cigaretov\u00fd kou\u0159 paralyzuje a ni\u010d\u00ed \u0159asinky \u2013 drobn\u00e9, vlasov\u00e9 struktury v d\u00fdchac\u00edch cest\u00e1ch, kter\u00e9 odn\u00e1\u0161ej\u00ed hlen a zachycen\u00e9 zne\u010di\u0161\u0165uj\u00edc\u00ed l\u00e1tky. Bez funk\u010dn\u00edch \u0159asinek se toxick\u00fd hlen bu\u010f hromad\u00ed, nebo vysych\u00e1, \u010d\u00edm\u017e se pl\u00edce st\u00e1vaj\u00ed zraniteln\u011bj\u0161\u00edmi v\u016f\u010di infekc\u00edm, jako je z\u00e1pal plic.<\/p>\n\n

Jakmile p\u0159estanete kou\u0159it, \u0159asinky se rychle obnov\u00ed. Za\u010dnou produkovat tekut\u00fd hlen, kter\u00fd vyplav\u00ed roky nahromad\u011bn\u00e9ho dehtu a toxin\u016f. Tento proces, kter\u00fd se obvykle za\u010dne projevovat do m\u011bs\u00edce, spou\u0161t\u00ed produktivn\u00ed ka\u0161el \u2013 sign\u00e1l, \u017ee se pl\u00edce \u00fasp\u011b\u0161n\u011b \u010dist\u00ed samy.<\/p>\n\n

\u010casov\u00e1 osa regenerace plic<\/h2>\n\n

V\u00fdhody p\u0159est\u00e1n\u00ed kou\u0159en\u00ed se s\u010d\u00edtaj\u00ed po cel\u00fd \u017eivot. Tabulka n\u00ed\u017ee ukazuje, jak se d\u00fdchac\u00ed syst\u00e9m postupn\u011b zotavuje:<\/p>\n\n

\u010cas od posledn\u00ed cigarety<\/th>Zlep\u0161en\u00ed respira\u010dn\u00edho zdrav\u00ed<\/th><\/tr><\/thead>
2 t\u00fddny<\/strong><\/td>Zlep\u0161uj\u00ed se okysli\u010dov\u00e1n\u00ed a plicn\u00ed kapacita; roste i fyzick\u00e1 kondice a v\u00fddr\u017e p\u0159i aktivit\u011b.<\/td><\/tr>
1 m\u011bs\u00edc<\/strong><\/td>\u0158asinky znovu z\u00edskaj\u00ed b\u011b\u017enou funkci; bu\u0148ky v pr\u016fdu\u0161k\u00e1ch se zotav\u00ed a aktivn\u011b vypuzuj\u00ed uv\u011bzn\u011bn\u00e9 toxiny pomoc\u00ed tekut\u00e9ho hlenu.<\/td><\/tr>
2 a\u017e 3 m\u011bs\u00edce<\/strong><\/td>Z\u00e1kladn\u00ed riziko vzniku rakoviny plic a CHOPN za\u010d\u00edn\u00e1 plynule a dlouhodob\u011b klesat.<\/td><\/tr>
12 a\u017e 15 let<\/strong><\/td>Riziko vzniku CHOPN klesne na \u00farove\u0148, kter\u00e1 odpov\u00edd\u00e1 riziku do\u017eivotn\u00edho neku\u0159\u00e1ka.<\/td><\/tr>
20 a\u017e 25 let<\/strong><\/td>Riziko vzniku rakoviny plic se sn\u00ed\u017e\u00ed na \u00farove\u0148 \u010dlov\u011bka, kter\u00fd nikdy nekou\u0159il.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n
\n
\n\n\n\n