Olunye ucwaningo lubonisa ukuthi ukwandisa amazinga akho kavithamini D kungasiza ekunciphiseni ingozi yomdlavuza wakho. Kutholakale efomini lokungezela, i-vitamin D iyinvithamini ebalulekile edlala indima ebalulekile emsebenzini wokuzivikela futhi kusiza ukunciphisa ukuvuvukala . Yize ucwaningo lwe-vitamin D nokuvimbela umdlavuza luye lwaveza imiphumela ehlangene, kunobunye ubufakazi bokuthi abantu abanamazinga aphezulu kavithamini D bangase babe nomngcipheko wezinhlobo ezithile zomdlavuza.
Kuze kube manje, ukwesekwa kwezesayensi okuyinhloko yegciwane lesandulela ngculaza kuvela ekufundeni kokuhlola (izifundo ezihlola izici ezithile zendawo ethile). Ngokombiko owodwa, abaphenyi baphinde bahlola izifundo ezingama-63 zokuhlola ezenzweni zamavithamini D kanye nobungozi bomdlavuza, kuhlanganise nomdlavuza wekoloni , umdlavuza webele , nomdlavuza wesifo sofuba . Ngokombiko, iningi lezifundo libonisa ukuthi abantu abanamazinga amaningi okuthiwa i-vitamin D babe nomngciphevuza ongaphansi.
Izilingo eziningana zokwelashwa (izifundo ezivivinya imiphumela yokwelapha okuthile noma ukungenelela kwempilo) nazo zigxile ku-vitamin D kanye nengozi yomdlavuza. Isibonelo, isifundo esisodwa sanikeze abesifazane abangu-1 179 abanempilo engaphezu kweminyaka yobudala engama-55 ukuya kokungenelela kokuthathu:
- Iqembu elilodwa lanikezwa u-1 400 kuya ku-1,500 mg we-calcium nsuku zonke
- Iqembu elilodwa linikezwa i-calcium kanye ne-1,110 IU ka vithamini D
- Iqembu elilodwa linikezwe i-placebo
Ngemuva kweminyaka emine, labo abathatha kokubili i-calcium ne-vitamin D babonisa ingozi enciphisa yonke imithi yomdlavuza, uma kuqhathaniswa nalabo abathatha i-calcium kuphela noma i-placebo.
Ngakolunye uhlangothi, ezinye izilingo zomtholampilo ziye zathola ukuthi ukuthatha isisindo se-vitamin D behlulekile ukunciphisa ingozi yomdlavuza wesifuba nomdlavuza omncane-izinhlobo ezimbili ezijwayelekile kakhulu zomdlavuza e-United States.
Ngenxa yokuntuleka kocwaningo olusekelayo, kusheshe ukutshela ukuthi ukuthatha isithako se-vitamin D kunganciphisa ingozi yomdlavuza.
Ukuze kufezeke lokho, iNational Cancer Institute ayincoma noma iphikisana nokusetshenziswa kwamavithamini D ekwenzeni ukunciphisa ingozi yimuphi uhlobo lomdlavuza.
Kodwa-ke, njengoba ukugcina amazinga e-vitamin D abalulekile kubalulekile empilweni yonke, ochwepheshe bezokwelapha abaningi batusa ukwandisa ukungena kwe-vitamin D. Nakuba i-vitamin D itholakale ekudleni okunye, njengezinhlanzi ezinamafutha kanye nobisi obunamandla, futhi ingenziwa ngumzimba ngesikhathi sokushisa kwelanga, ukuthatha izithako kungase kube izindlela ezithembekile zokuphuza amazinga e-vitamin D.
Uma unesithakazelo ekusebenziseni izithasiselo ze-vitamin D ukuze ukhulise umdlavuza wakho-noma nganoma iyiphi enye injongo yezempilo-khuluma nodokotela wakho mayelana nokuthola isengezo esilungele wena. Kubalulekile ukuqaphela ukuthi ukuziphatha ngokweqile nokugwema noma ukubambezela ukunakekelwa okujwayelekile noma izinyathelo zokuvimbela kungaba nemiphumela emibi.
Imithombo:
I-Chlebowski RT, uJohnson KC, uKooperberg C, Pettinger M, Wactawski-Wende J, uRohan T, Rossouw J, Lane D, O'Sullivan MJ, Yasmeen S, Hiatt RA, Shikany JM, Vitolins M, Khandekar J, Hubbell FA; Abaphenyi Bomkhankaso Wezempilo Abesifazane. "I-calcium kanye ne-vitamin D eyengeziwe kanye nengozi yomdlavuza webele." J Natl Cancer Inst. 2008 no-19 Novemba; 100 (22): 1581-91. Epub 2008 Nov 11.
I-Lappe JM, i-Travers-Gustafson D, i-Davies KM, i-Recker RR, i-Heaney RP. "I-Vitamin D ne-calcium supplementation inciphisa ingozi yomdlavuza: imiphumela yokuhlolwa okungahleliwe." I-Am J Clin Nutr. 2007 Jun; 85 (6): 1586-91.
I-National Cancer Institute. "I-Vitamin D ne-Cancer Prevention: Amandla nokulinganiselwa kobufakazi". Juni 2010.
Ukuziphendulela: Ulwazi oluqukethwe kule sayithi luhloswe ngezinjongo zemfundo kuphela futhi aluthathi iseluleko, ukuxilongwa noma ukwelashwa ngudokotela olayisensi. Akuhloselwe ukumboza zonke izinyathelo zokuqapha, ukusebenzisana kwezidakamizwa, izimo noma imiphumela emibi. Kufanele ufune ukunakekelwa okusheshayo kwezokwelapha kunoma yiziphi izinkinga zezempilo bese uthintana nodokotela wakho ngaphambi kokusebenzisa enye imithi noma wenze ushintsho ohlelweni lwakho.