{"id":216893,"date":"2026-06-27T15:49:08","date_gmt":"2026-06-27T15:49:08","guid":{"rendered":"https:\/\/www.europesays.com\/ro\/216893\/"},"modified":"2026-06-27T15:49:08","modified_gmt":"2026-06-27T15:49:08","slug":"de-ce-nu-ar-trebui-sa-te-scarpini-dupa-o-intepatura-de-insecta-cercetatorii-explica-mecanismul-din-spatele-mancarimii","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ro\/216893\/","title":{"rendered":"De ce nu ar trebui s\u0103 te scarpini dup\u0103 o \u00een\u021bep\u0103tur\u0103 de insect\u0103? Cercet\u0103torii explic\u0103 mecanismul din spatele m\u00e2nc\u0103rimii"},"content":{"rendered":"<p id=\"p-0\">Aproape toat\u0103 lumea a auzit \u00eenc\u0103 din copil\u0103rie acela\u0219i sfat: nu te sc\u0103rpina dup\u0103 o \u00een\u021bep\u0103tur\u0103 de insect\u0103 sau dup\u0103 o irita\u021bie, pentru c\u0103 vei agrava problema. De\u0219i senza\u021bia de u\u0219urare este imediat\u0103, cercet\u0103torii spun c\u0103 aceasta este \u00een\u0219el\u0103toare \u0219i explic\u0103 de ce sc\u0103rpinatul poate prelungi \u0219i intensifica m\u00e2nc\u0103rimea, scrie <a href=\"https:\/\/apnews.com\/article\/scratch-itch-mosquito-rash-antihistamine-23f9217afac22f78ebd43c9aa4efa90a\" target=\"_blank\" rel=\"noopener nofollow\">AP News<\/a>.<\/p>\n<p>&#8211; articolul continu\u0103 mai jos &#8211;<\/p>\n<p id=\"p-1\">M\u00e2nc\u0103rimea poate avea numeroase cauze, de la simple \u00een\u021bep\u0103turi de \u021b\u00e2n\u021bari p\u00e2n\u0103 la alergii sau boli de piele. Indiferent de origine, medicii avertizeaz\u0103 de mult timp c\u0103 sc\u0103rpinatul excesiv poate deteriora pielea. Acum, un nou studiu ofer\u0103 o explica\u021bie detaliat\u0103 despre modul \u00een care acest gest declan\u0219eaz\u0103 un cerc vicios al m\u00e2nc\u0103rimii.<\/p>\n<p>Cum au ajuns cercet\u0103torii la aceast\u0103 concluzie<\/p>\n<p id=\"p-2\">Pentru a \u00een\u021belege mecanismul, cercet\u0103torii au realizat experimente pe \u0219oareci. O parte dintre animale au purtat gulere speciale, similare celor folosite dup\u0103 interven\u021biile veterinare, care le \u00eempiedicau s\u0103 se scarpine.<\/p>\n<p id=\"p-3\">Rezultatele au ar\u0103tat c\u0103 \u0219oarecii care nu s-au putut sc\u0103rpina au prezentat inflama\u021bii mult mai reduse dec\u00e2t cei care au avut acces la zona afectat\u0103.<\/p>\n<p id=\"p-4\">Daniel Kaplan, dermatolog la University of Pittsburgh \u0219i coordonatorul studiului, a analizat o form\u0103 frecvent\u0103 de m\u00e2nc\u0103rime provocat\u0103 de dermatita alergic\u0103 de contact, care poate ap\u0103rea dup\u0103 expunerea la ieder\u0103 otr\u0103vitoare, nichel sau al\u021bi iritan\u021bi.<\/p>\n<p id=\"p-5\">Echipa sa a aplicat o substan\u021b\u0103 iritant\u0103 pe urechile \u0219oarecilor. La animalele care s-au sc\u0103rpinat, sistemul imunitar a trimis rapid celule inflamatorii c\u0103tre zona afectat\u0103, ceea ce a dus la accentuarea inflama\u021biei. \u00cen schimb, \u0219oarecii care nu au putut s\u0103 se scarpine au avut reac\u021bii mult mai u\u0219oare.<\/p>\n<p id=\"p-6\">\u201eAcest lucru confirm\u0103 ceea ce observ\u0103m \u0219i \u00een via\u021ba de zi cu zi: sc\u0103rpinatul chiar agraveaz\u0103 problema\u201d, spune Kaplan.<\/p>\n<p id=\"p-7\">Potrivit acestuia, o \u00een\u021bep\u0103tur\u0103 de \u021b\u00e2n\u021bar ignorat\u0103 \u00eenceteaz\u0103 s\u0103 mai provoace m\u00e2nc\u0103rime \u00een cinci p\u00e2n\u0103 la zece minute \u00een cazul majorit\u0103\u021bii oamenilor.<\/p>\n<p id=\"p-8\">\u201eDar dac\u0103 \u00eencepi s\u0103 te scarpini, \u00een\u021bep\u0103tura te va deranja zile \u00eentregi \u0219i va deveni din ce \u00een ce mai inflamat\u0103\u201d, explic\u0103 dermatologul.<\/p>\n<p>De ce apare inflama\u021bia<\/p>\n<p id=\"p-9\">Pentru a \u00een\u021belege procesul, cercet\u0103torii au analizat rolul mastocitelor, celule ale sistemului imunitar care intervin rapid atunci c\u00e2nd organismul detecteaz\u0103 o agresiune.<\/p>\n<p id=\"p-10\">Aceste celule elibereaz\u0103 diferite substan\u021be chimice, inclusiv histamina, responsabil\u0103 pentru reac\u021biile alergice \u0219i senza\u021bia de m\u00e2nc\u0103rime.<\/p>\n<p id=\"p-11\">P\u00e2n\u0103 acum, oamenii de \u0219tiin\u021b\u0103 \u0219tiau c\u0103 mastocitele sunt activate de alergeni. Noul studiu arat\u0103 \u00eens\u0103 c\u0103 ele pot fi activate \u0219i de durere.<\/p>\n<p id=\"p-12\">Atunci c\u00e2nd ne sc\u0103rpin\u0103m, la un moment dat apare \u0219i o u\u0219oar\u0103 senza\u021bie dureroas\u0103. \u00cen acel moment, termina\u021biile nervoase elibereaz\u0103 o substan\u021b\u0103 numit\u0103 substan\u021ba P, care stimuleaz\u0103 mastocitele printr-un mecanism diferit de cel al reac\u021biilor alergice.<\/p>\n<p id=\"p-13\">Practic, organismul prime\u0219te dou\u0103 semnale inflamatorii simultan, ceea ce explic\u0103 de ce m\u00e2nc\u0103rimea \u0219i inflama\u021bia se intensific\u0103 dup\u0103 ce ne sc\u0103rpin\u0103m.<\/p>\n<p>De ce sc\u0103rpinatul pare totu\u0219i s\u0103 ajute<\/p>\n<p id=\"p-14\">Dac\u0103 produce inflama\u021bie, de ce senza\u021bia de u\u0219urare este at\u00e2t de puternic\u0103?<\/p>\n<p id=\"p-15\">Cercet\u0103torii cred c\u0103 r\u0103spunsul are leg\u0103tur\u0103 cu evolu\u021bia speciilor. O ipotez\u0103 veche sus\u021bine c\u0103 sc\u0103rpinatul ajuta animalele s\u0103 \u00eendep\u0103rteze parazi\u021bi precum puricii sau acarienii.<\/p>\n<p id=\"p-16\">Echipa lui Kaplan a descoperit \u0219i un posibil avantaj suplimentar. \u00cen cadrul unui alt experiment, \u0219oarecii au fost infecta\u021bi cu bacteria Staphylococcus aureus, una dintre cele mai frecvente bacterii care tr\u0103iesc pe piele.<\/p>\n<p id=\"p-17\">Animalele care s-au sc\u0103rpinat au prezentat o cantitate mai mic\u0103 de bacterii \u00een zona afectat\u0103, probabil datorit\u0103 reac\u021biei inflamatorii suplimentare generate de mastocite.<\/p>\n<p id=\"p-18\">Totu\u0219i, cercet\u0103torii spun c\u0103 acest posibil beneficiu nu compenseaz\u0103 efectele negative produse de sc\u0103rpinat.<\/p>\n<p id=\"p-19\">\u201e\u00cen final, sc\u0103rpinatul este d\u0103un\u0103tor. Ar trebui evitat, chiar dac\u0103 este mai u\u0219or de spus dec\u00e2t de f\u0103cut\u201d, afirm\u0103 Kaplan.<\/p>\n<p>Cum po\u021bi calma m\u00e2nc\u0103rimea f\u0103r\u0103 s\u0103 te scarpini<\/p>\n<p id=\"p-20\">Tratamentul depinde \u00eentotdeauna de cauza m\u00e2nc\u0103rimii, iar cercet\u0103torii lucreaz\u0103 la dezvoltarea unor terapii noi care s\u0103 blocheze mecanismele descoperite \u00een acest studiu.<\/p>\n<p id=\"p-21\">P\u00e2n\u0103 atunci, medicii recomand\u0103 antihistaminice \u0219i alte medicamente care reduc reac\u021biile mastocitelor \u00een cazul urticariei \u0219i al anumitor alergii.<\/p>\n<p id=\"p-22\">Pentru \u00een\u021bep\u0103turile de insecte, dermatita de contact sau irita\u021biile provocate de plante precum iedera otr\u0103vitoare, speciali\u0219tii recomand\u0103 creme cu hidrocortizon, lo\u021biuni cu calamin\u0103 sau b\u0103i cu ov\u0103z coloidal, care calmeaz\u0103 pielea.<\/p>\n<p id=\"p-23\">Daniel Kaplan recomand\u0103 \u0219i un truc simplu: utilizarea cremelor care con\u021bin mentol.<\/p>\n<p id=\"p-24\">Acestea creeaz\u0103 temporar senza\u021bia de r\u0103coare \u0219i \u201ep\u0103c\u0103lesc\u201d termina\u021biile nervoase, f\u0103c\u00e2nd pielea s\u0103 perceap\u0103 frig \u00een loc de m\u00e2nc\u0103rime.<\/p>\n<p id=\"p-25\">\u201eDac\u0103 reu\u0219e\u0219ti s\u0103 nu te scarpini \u00een acel moment, \u00eentrerupi cercul vicios al m\u00e2nc\u0103rimii \u0219i al sc\u0103rpinatului. Este ca un cod secret care \u00ee\u021bi permite s\u0103 \u00eenvingi impulsul de a te sc\u0103rpina\u201d, spune dermatologul.<\/p>\n","protected":false},"excerpt":{"rendered":"Aproape toat\u0103 lumea a auzit \u00eenc\u0103 din copil\u0103rie acela\u0219i sfat: nu te sc\u0103rpina dup\u0103 o \u00een\u021bep\u0103tur\u0103 de insect\u0103&hellip;\n","protected":false},"author":2,"featured_media":216894,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[12],"tags":[32,33,31,36,37,27,60724,74,34,35,60725,25,41,40,38,39,26,25559,28,29,30,71,72,73],"class_list":["post-216893","post","type-post","status-publish","format-standard","has-post-thumbnail","category-international","tag-breaking-news","tag-breakingnews","tag-cele-mai-populare-subiecte","tag-featured-news","tag-featurednews","tag-headlines","tag-intepaturi-insecte","tag-international","tag-latest-news","tag-latestnews","tag-mancarime","tag-news","tag-ro","tag-romana","tag-romania","tag-romanian","tag-stiri","tag-tantari","tag-titluri","tag-top-stories","tag-topstories","tag-world","tag-world-news","tag-worldnews"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ro\/116822865666491397","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/posts\/216893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/comments?post=216893"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/posts\/216893\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/media\/216894"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/media?parent=216893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/categories?post=216893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/tags?post=216893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}