2024 Tus sau: Malcolm Clapton | [email protected]. Kawg hloov kho: 2023-12-17 03:58
Thaum lub caij so, thaum muaj coob tus neeg mus rau hiav txwv, peb tau npaj ib tsab xov xwm uas peb tau qhia hauv cov ntsiab lus yooj yim txhua yam koj yuav tsum paub txog kev tshav ntuj, tshav kub kub, UV hluav taws xob, tshuaj pleev thaiv hnub thiab mob qog noj ntshav. Nyeem thiab tsis txhob ua rau koj tus kheej tsis tsim nyog muaj kev pheej hmoo.
Lub caij ntuj sov yog lub sijhawm uas muaj ntau lub sijhawm so thiab tawm mus rau hauv tshav ntuj. Tab sis yog hais tias rau ib co sunbathing yog ib tug sheer Library, rau lwm tus nws yog ib qho kev pheej hmoo ntawm kev mob thiab tsis xis nyob, uas yog hu ua sunburn.
Kuv paub tseeb tias koj twb paub lawm tias kev tshav ntuj yog tshwm sim los ntawm kev raug ultraviolet hluav taws xob ntawm daim tawv nqaij thiab nws muaj peev xwm tiv thaiv qhov tshwm sim tsis zoo nrog kev pab los ntawm cov tshuaj pleev thaiv hnub. Tab sis qhov koj yuav tsis paub yog tias tshav kub tsis muaj dab tsi ntau tshaj li kev tiv thaiv ntawm lub cev, thiab qhov ua tau zoo ntawm aloe vera (nrov suav tias yog ib qho kev kho zoo tshaj plaws rau kev txo cov tsos mob kub hnyiab) tsis tau muaj pov thawj kiag li.
Xav tias kev tshav ntuj yog qhov tshwm sim ntau, nws xav tsis thoob tias muaj pes tsawg lo lus nug, dab neeg thiab kev xav tsis zoo nws tau dhau los.
Hauv tsab xov xwm no peb yuav piav qhia rau koj txog dab tsi tanning, sunburn, sunscreens thiab, qhov tseem ceeb tshaj, yuav ua li cas tiv thaiv koj tus kheej los ntawm kev loj hlob ntawm cov qog nqaij hlav cancer.
Yog vim li cas ib txhia neeg sunbathe, thaum lwm tus neeg instantly hlawv
Nyob rau hauv luv luv, sunburn yog cov tshuaj tiv thaiv ntawm daim tawv nqaij hlwb puas tsuaj rau DNA molecules los ntawm ultraviolet rays. Los ntawm lawv tus kheej, sunburn thiab sunburn tsis muaj teeb meem rau lub cev, qhov no tsuas yog pov thawj tias DNA molecules tau raug puas tsuaj, uas txhais tau hais tias qhov yuav tshwm sim ntawm daim tawv nqaij mob cancer tau nce.
Ultraviolet (UV) yog hluav taws xob hluav taws xob uas npog cov spectral ntau ntawm pom thiab X-ray hluav taws xob. Lub hnub emits ntau hom hluav taws xob ultraviolet.
Luv wavelength UV (UV-C) yuav luag tag absorbed los ntawm ozone txheej. Tab sis ob hom ntxiv (UV-A thiab UV-B) muaj peev xwm nkag mus rau ozone txheej.
Tau ntev, nws tau ua yuam kev ntseeg tias tsuas yog UV-B tuaj yeem ua rau daim tawv nqaij puas thiab ua rau DNA molecules ua rau muaj kev zoo siab (qhov no ua rau muaj kev hloov pauv, kab mob caj ces thiab, vim li ntawd, kev loj hlob ntawm qog noj ntshav).
Tsis ntev los no, cov kws tshawb fawb tau pom tias thaum UV-A tsis ua rau kub hnyiab, hom hluav taws xob no kuj ua rau muaj mob qog noj ntshav.
Nws yuav tsum nco ntsoov tias peb lub cev muaj kev tiv thaiv ntuj tsim los ntawm hluav taws xob ultraviolet - cov xim tsaus nti hu ua melanin. Melanin stains hlwb tsaus thiab txo cov teebmeem ntawm hluav taws xob rau lub cev.
Qee tus neeg tau nce qib melanin txij thaum yug los, uas ua rau lawv cov tawv nqaij tsaus thiab tsis tshua muaj kev cuam tshuam rau UV raug. Lwm tus raug yuam kom tsim cov xim no thaum raug tshuaj me me ntawm hluav taws xob. Tag nrho cov txheej txheem yuav siv sij hawm los ntawm ib mus rau peb hnub, thiab thaum nws ua tiav, dab tsi peb siv los hu ua tan tshwm.
Nyob rau tib lub sijhawm, qhov pom ntawm tshav kub tsis txhais tau tias koj cov tawv nqaij tiv thaiv tag nrho los ntawm kev phom sij ntawm ultraviolet hluav taws xob. Cov neeg ntawm tag nrho cov tawv nqaij tones yog heev rau sunburn. Nws tsuas yog tias cov neeg uas muaj melanin tsawg dua yuav raug hlawv.
Yog vim li cas sunburns ua rau mob, khaus, thiab blistering
Lub cev thawj cov tshuaj tiv thaiv rau kev puas tsuaj rau DNA molecules thaum lub sij hawm hluav taws xob yog tua cov hlwb cuam tshuam. Qhov no yog qhov tsim nyog los tiv thaiv cov hlwb mutated los ntawm kev tsim tawm uncontrollably, tsim cov qog.
Yog hais tias cov hlwb tuag nyob rau hauv cov khaubncaws sab nraud povtseg ntawm daim tawv nqaij tev tawm yam tsis muaj kev cuam tshuam tshwj xeeb (txog ib hnub tom qab tshav kub kub), ces cov hlwb puas nyob rau hauv cov khaubncaws sab nraud povtseg ntawm lub cev yuav tsum tau ntxuav. Nws muaj ib tug tshwj xeeb mechanism rau qhov no.
Thaum lub cell tuag, nws tso tawm ib qho me me ntawm cov khoom siv caj ces puas. Qhov no yog lub teeb liab rau cov hlwb nyob sib ze los pib ib qho kev hloov pauv uas hu ua cov lus teb inflammatory.
Qhov no yog cov tshuaj tiv thaiv uas lub cev ua rau teb rau tus kab mob. Cov hlab ntsha dilate, ua kom ntshav txaus (ua rau qhov kub thiab txias), nce protein synthesis ua rau khaus thiab mob.
Yog tias muaj ntau lub hlwb raug tua ib zaug, ib daim ntawv hlwv nyob rau hauv lawv qhov chaw. Lub cev xav tau qhov no txhawm rau txhawm rau ua kom cov ntaub so ntswg puas tsuaj nrog cov ntshav plasma thiab yog li txhawb kev kho mob.
Thaum twg thiab qhov twg koj yuav raug hlawv ntau dua?
Lub sijhawm nws siv los tsim kev kub nyhiab yog proportional rau tus nqi ntawm UV teeb coj los ntawm daim tawv nqaij. Yog li ntawd, qhov ncaj qha rays ntaus ntawm daim tawv nqaij, qhov ntau dua qhov koob tshuaj tau txais.
Ntawd yog, qhov ze rau ntawm txoj kab nruab nrab, qhov ntau dua qhov yuav tau txais kev tshav ntuj. Ib yam li ntawd, qhov muaj feem yuav nce siab heev thaum lub caij ntuj sov, tshwj xeeb tshaj yog thaum 10:00 txog 14:00. Thiab UV hluav taws xob nce mus txog qhov kawg thaum tav su.
Hmoov tsis zoo, huab thaiv pom lub hnub ci zoo dua li lub teeb ultraviolet, yog li koj tuaj yeem hlawv txawm nyob rau hnub huab cua.
Qee qhov xwm txheej - rau qhov tsis paub meej - huab tuaj yeem nce tus nqi ntawm UV teeb mus txog qhov chaw.
Yog tias koj nyob ntawm qhov siab siab, ces qhov tshwm sim ntawm qhov kub hnyiab yog ntau dua, vim hais tias nyob rau hauv cov ntaub ntawv no, lub hnub ci hluav taws xob tsis tas yuav tawg los ntawm tag nrho cov huab cua txheej kom ncav cuag koj.
Muaj lwm yam uas tuaj yeem ua rau koj muaj kev pheej hmoo kub hnyiab. Piv txwv li, thaum koj nyob ze daus, dej, xuab zeb dawb, los yog lwm yam khoom uas qhia txog UV, koj raug hluav taws xob ntau dua.
Yuav ua li cas tiv thaiv kub hnyiab
Cov lus teb yog banal. Hnav tshuaj pleev thaiv hnub. Qhov no yuav tiv thaiv tsis tau tsuas yog tshav ntuj kub, tab sis kuj txo qis kev pheej hmoo ntawm cov qog nqaij hlav cancer.
Txawm hais tias nrog cov tshuaj pleev thaiv hnub, txhua yam tsis yooj yim. Muaj pov thawj tias cov tshuaj nquag hauv cov tshuaj nplaum muaj kev phiv thiab tuaj yeem ua rau muaj tshuaj lom. Yog li ntawd, niaj hnub no lub tswv yim yog heev nrov hais tias qhov zoo tshaj plaws kev tiv thaiv yog cream raws li minerals xws li titanium dioxide thiab zinc oxide.
Txawm li cas los xij, feem ntau cov kws kho mob dermatologists nyiam ntseeg tias muaj txiaj ntsig ntau dua li qhov ua rau muaj kev phom sij los ntawm cov tshuaj pleev thaiv hnub. Cov kws kho mob dermatologist kuj pom zoo kom siv cov tshuaj pleev ib ce nrog kev tiv thaiv dav dav (tiv thaiv UV-A thiab UV-B) thiab SPF tsawg kawg 30.
Dab tsi yog SPF hauv cov tshuaj pleev thaiv hnub
SPF yog ib qho kev ntsuas ntev npaum li cas lub qab zib tuaj yeem tswj tau nws cov khoom tiv thaiv. Ntawd yog, yog tias daim tawv nqaij kub hnyiab hauv 10 feeb yam tsis muaj qab zib, tom qab ntawd cov tshuaj nplaum nrog SPF sib npaug li 30 tuaj yeem ua rau lub sijhawm no mus txog 300 feeb.
Nws kuj tseem tsim nyog them nqi rau qhov tseeb tias SPF yog qhov taw qhia logarithmic thiab tom qab ncav cuag qee qhov taw tes (txog 30), qhov kev nce ntxiv ntawm tus nqi no tsis zoo li ntxiv kev tiv thaiv ntxiv.
Yuav siv tshuaj pleev thaiv hnub li cas
Cov kws tshaj lij pom zoo kom siv cov tshuaj nplaum tsawg kawg 15 feeb ua ntej tshav ntuj. Nws tsim nyog rov ua cov txheej txheem txhua ob teev lossis tam sim ntawd tom qab koj tawm hws lossis da dej. Tau kawg, muaj ntau cov tshuaj tsis muaj dej tsis zoo, tab sis tus so yog ntxuav los yog poob lawv cov khoom.
Yuav ua li cas yog tias koj twb hlawv lawm
Thawj yog kom nkaum ntawm lub hnub kom tiv thaiv kev puas tsuaj ntxiv thiab ua kom lub cev ua kom lub cev zoo.
Qhov thib ob, koj tuaj yeem da dej txias lossis siv cov tshuaj moisturizer thiab tshuaj tiv thaiv khaus los txo qhov mob. Yog tias qhov mob hnyav, nws yog qhov zoo los noj cov tshuaj tua kab mob.
Tseem ceeb! Tsis muaj pov thawj tias aloe vera yog qhov kev kho mob zoo tshaj plaws rau kev kub hnyiab.
Lwm cov lus qhia zoo yog tias koj hlawv, haus dej kom ntau. Sunburns feem ntau nrog lub cev qhuav dej.
Sunburns pib kho tom qab ob peb hnub. Nws tau zoo dua tom qab ob peb lub lis piam. Tseem, nws tsim nyog nco ntsoov tias cov hlwb uas puas DNA molecules sib sau ua ke thiab ntau zaus koj da dej los yog hlawv, koj qhov kev pheej hmoo ntawm kev mob qog noj ntshav ntau dua.
Ceev faj thaum lub hnub!
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