Zuva, rakakwana kwazvo uye rakakwana kure, rinotsigira kuenzanisa kwehupenyu pasi pano. Zuva rinopa kupisa kwenyika yedu, kupisa uye simba rinodiwa zvekunyora. Inotungamidza manheru edu -masikati uye inosimudzira manzwiro ekugara zvakanaka.
Chiedza chemazuva ano chinokoshawo kuti vitamine D ishandiswe mukati meganda - ndicho chikonzero nei vitamini D dzimwe nguva inonzi mavhitamin yezuva.
Uye zvinongoitika zvakadaro kuti mamiriyoni eAmerica angave asina kuwana vitamini D yakakwana. Unogona kuwanawo vitamini D kubva pakudya kwako, asi zvishomanana zvezvokudya zvinowanzoshandiswa mumadzinza ekuMadokero zvinowanzoita zvakanaka mavitamini D.
Ngozi dzeUV
Ngozi dzinobva kuViviviolet (UV) kubudiswa kwave kuchizivikanwa uye kukurukurwa kwemakore. UV radiation inokonzera basal cell carcinoma , squamous cell carcinoma , uye maranoma anonyangadza. Ngozi yekenza yeganda inowedzera apo vanhu vanozvidzivirira pachavo kune zuva, kana kuti vachizvipira kuzviisa pamagetsi ekuvhenekera kweAV akadai semabhedha ekuchenesa. Uye kune avo vane hanya nezvinovhenekera, zuva ndiro rinobva kune izvo zvinozivikanwa se photoaging - kusakara kwenguva refu kweganda nekuda kwekugara kwenguva refu UV. Migumisiro yekuita photoaging kubva kune wrinkled, mavara akadzikidzwa kuti aoneke, anonyanya kukura, kana kuti actinic keratoses.
Melanoma Skin Cancer
Kunyange zvazvo isiri-melanoma ganda rekenza yakajairika, haisi inouraya. Kusiyana neizvi, melanoma inomiririra pasi pe5 kubva muzana yevamwe kanzira yeganda asi inokonzera kufa kwekenza yenguruve. Ndiyo yechipiri inowanzosangana nekenza yevakadzi mumakore avo makumi maviri uye chechitatu inowanzosangana nekenza yevarume mumakore avo makumi maviri. Nengozi yakanyanya ye melanoma yakawanikwa kune avo vane huwandu hwehuwandu hwekubuda kwezuva.
Chisikiti chinodzivirira kupisa kwezuva, uye sunscreen inoramba ichikurudzirwa neAmerican Academy of Dermatology. Kudzivirirwa kunopisa zvakanyanya chinhu chakanaka, uye chinoratidzika kuti chinomira kuti izvi zvinogonawo kushandura kune kumwe kudzivirirwa kana zvasvika pakurwara. Izvozvo zvakati, zuva rekunze kwezuva ndiro chikamu chimwe chete chemufananidzo wose kana zvasvika pakudzivirirwa kubva kune zuva. Uye hapana tsvakurudzo dzakamboratidza kuti kushandiswa kwezuva nezuva, iyo yoga, inodzivirira melanomas kana basal cell carcinomas, maererano neshoko rakabudiswa muna March 20011 mumagazini, "Pediatrics." Nguva yakawanda yakashandiswa muzuva uye mavara akowo zvinhu zvinokosha.
Mazuva Ano Vitamin Inodzora Kanzera Here?
Pane chikonzero chekutarisira, asi kunewo mibvunzo yakawanda isingagoni kupindurwa. Maererano neongororo yebhroreta, kushayikwa kwevhitamin D kunoratidzika kubatsira mamwe maitiro ekurasika, asi nyanzvi dzinoti kuwedzera kutsvakurudza kunodiwa vasati vagara vaine vitamini D supplementation nokuda kwekudzivirira kenza kunogona kukurudzirwa.
I "Low Cloud Cover" Yokudzidza uye Leukemia
Zvidzidzo zvezvipfuwo uye mabhroreti zvinotsigira pfungwa yokuti kuva nemazinga akakwana a vitamin D zvinogona kubatsira kudzivirira chirwere chemuviri, asi hapana uchapupu hwakadaro huripo kuvanhu. Zvisinei, boka reasayendisiti rakabvunza kana vaizoona uchapupu hwekudzivirirwa kubva kunezuva (uye yakakwirira mavhitamini D) akavakirwa nharaunda yemarudzi akasiyana.
Vakaronga kuti vanhu vanogara kune dzimwe nyika vari kure neEquator, nekunonoka kweVVB, avo vanoita kuva nemazana evhitamini D, vanogona kuratidzira njodzi yakakura yemamwe makondombera, kusanganisira leukemia .
Kusiyana nedzidzo dzekare, boka iri rakashandurwa kuti gore rivhare munyika dzakasiyana-siyana uye rinobata pahuturo hweVVB hwevanhu vanogara pasi. Vakagadzirisa izvi vachishandisa data satellite kubva kuNASA.
Muchidzidzo ichi, kuchinja kwegore rinovhara, marukirwo eukemia aiva akakwirira munyika dziri pedo nemapuranga, akadai seAustralia, New Zealand, Chile, Ireland, Canada uye United States.
Vakanga vakaderera munyika dziri pedyo neEquator, dzakadai seBolivia, Samoa, Madagascar neNigeria.
Rudzi urwu rwekudzidza harugone kuratidza kuti kushaya mavitamini D kunotungamirira kuukwepa, asi rinoratidza sangano rinogona kuparadzirwa uye kuongororwa nevasayendisiti.
Vitamini D uye Leukemia Treatment
Mune mhaka yekenza yeropa yakadai seyeukemia uye lymphoma, uchapupu hunotsigira pfungwa yokuti vitamini D inoratidzika sekubatsira mamwe maitiro ekurapa anoita basa ravo.
Zvidzidzo zvakaratidza kuwirirana pakati pekushaiwa kwevhitamini D uye kupfuurira kwakanyanya mumhando dzakasiyana-siyana dzekenza yeropa, kusanganisira chronic lymphocytic leukemia (CLL) , uye inoparadzanisa B cell lymphoma (DLBCL), iyo yakanyanya kufanana yeHodgkin lymphoma .
Asi zvidzidzo izvi zvinotarisa kumashure, saka zvinogona kuva zvakaoma kutaura chikonzero kubva pakuita. Zvingaita here kuti vitamini D ishandiswe kuwedzera simba reimwe mishonga yekenza? Ichi chinoramba chiri mubvunzo wakazaruka, asi deta iri kukurudzira.
Iko tsika yevhitamine D yemapfupa akasimba inoshandawo. Vakawanda vanorwara nekenza - uye kazhinji kenzawo pachavo - vane tsika yekuderedza bone mashoma, kuwedzera ngozi ye osteoporosis. Nokudaro kuchengetedza kukwana kwakakwana kwe calcium uye vitamini D kunogonawo kuve kwakakosha kubva pakuona kwehutano hutano.
Sources:
> The American Academy of Dermatology. Girasi reScreen rinogara rakachengeteka, maitiro anobatsira eSuva Kudzivirirwa.
Balk SJ. Ultraviolet Radiation: Njodzi Kune Vana uye Vana Vachiri Kuyaruka. Pediatrics . 2011; 127 (3): 588-97.
> Cuomo RE, Garland CF, Gorham ED, Mohr SB. Low Cloud Cover-Yakagadziriswa Ultraviolet B Irradiance Inobatanidza neKuwedzera Kwakawanda Mitengo yeAukemia: Kudzidza 172 Nyika. PLoS ONE . 2015; 10 (12): e0144308.
> National Aeronautics uye Space Administration. International Satellite Cloud Climatology Project Database. http://isccp.giss.nasa.gov/products/browsed2.html.
> Wu X, Groves FD, McLaughlin CC, Jemal A, Martin J, Chen VS. Kenza Kuitika Maitiro Anofanana Nevana Vechiduku Nevechiduku Vakuru muUnited States. Kanzera Inokonzera Kudzora. 2005; 16 (3): 309-320.