Umhlaba wezithasiselo usaqhubeka nokuba nokungabaza okuningi phakathi kwabasubathi. Kukhona labo abadla i-caffeine (ekhofi noma i-supplementation) ngaphambi kokuqeqeshwa, kodwa kukhona nalabo abayithatha ngesikhathi sokuzivocavoca ukuze bathuthukise ukusebenza. Noma kunjalo, ucwaningo lwakamuva iqala inkolelo-mbono entsha, egqamisa ukuthi lo mkhuba ungase uhlobane nokwakheka kwamahlule egazi. Ngokunengqondo, lokhu kungadala imiphumela ebulalayo kwabanye abantu.
I-caffeine, yebo noma cha?
Ucwaningo lwalubandakanya amadoda angu-48, anesilinganiso seminyaka engu-23 ubudala kanye nenkomba evamile yesisindo somzimba. Zonke ziqedele amaseshini amabili, isonto elilodwa ngokwehlukana, zokwandisa kancane kancane izikhawu zejubane ukuya ekuphelelweni amandla (ukuqeqeshwa okuphezulu). Ngaphambilini, babenikezwe isiphuzo se-placebo esingena-caffeine noma isiphuzo esine-caffeine, futhi igazi lalikhishwa ngaphambi nangemva kokuqeqeshwa.
Bathole ukuthi i-caffeine yandisa kakhulu ukujiyisa ngesikhathi sokuzivocavoca, ngakho abahlanganyeli abaphuza iziphuzo ezine-caffeine babenengozi enkulu yokwakheka kwehlule legazi. Ukukhumbula lokhu kubaluleke kakhulu, ngoba amahlule angabangela izinkinga ezifana nokushaywa unhlangothi, i-venous thrombosis, isifo senhliziyo noma i-pulmonary embolism.
Ingabe kufanele silahle zonke izithasiselo ezine-caffeine?
Mhlawumbe ngiyakucasula ngalolu phenyo, ngoba awazi ukuthi wenzeni ngamajeli ane-caffeine noma izinsini. Ungakhathazeki, ngoba akudingekile ukuba wesabe kakhulu. Umcwaningi ophambili uPaul Nagelkirk uthi ukwanda kokujiya kuthinta abantu abanezinye izici eziyingozi zenhliziyo, njengokukhuluphala, ukubhema, umfutho wegazi ophakeme noma i-cholesterol ephezulu.
Lezi zinhlobo zabantu yibona okungenzeka kakhulu ukuthi bathole ukushaqeka kwenhliziyo ngenxa yokwanda kwamandla okujiyisa.
I-caffeine iphephile kubantu abaningi, kanjalo nokuqeqeshwa. Noma yimuphi umuntu omdala onempilo angajabulela izinzuzo ze-caffeine ngokuyithatha ngaphambi noma phakathi nokuqeqeshwa; ngakho akufanele ukhathazeke kakhulu ngokujiya kwegazi.
Kodwa-ke, kukhona abantu abacabanga ukuthi "banempilo" futhi empeleni akunjalo. Kufanele ucabangele uma ubhema, uma ukhuluphele noma uhlushwa uhlobo oluthile lwengozi yenhliziyo nemithambo yegazi. Kungenzeka ukuthi kunabantu abanempilo, kodwa banesimo se-pathological esibabeka engozini.
Ingakanani i-caffeine engingayidla ngosuku?
Ngokusobala, iqiniso lokuthi ayikho ingozi ebonakalayo akusho ukuthi ungakwazi ukweqisa. Ochwepheshe bocwaningo batusa ukuthatha ngaphansi kwama-milligrams angama-400 ngosuku. Izithako eziningi zingaphakathi kwemikhawulo ephephile futhi zibhekwa njengezifanele ingxenye enkulu yabantu. Inkinga iba lapho siphuza amaphilisi noma i-caffeine eyimpuphu, futhi singasinaki inani.
Ngomthamo we-400mg sifaka i-caffeine yosuku lonke, ngakho-ke qaphela ukuthi udla ikhofi elingakanani. Futhi, ukusebenzisa kabi lesi sengezo akusho ukuthi ukusebenza kwakho kuzothuthuka ngokuphawulekayo. Gwema ukwenza izinto ezingasile futhi ugxile ekuziqeqesheni ngaphandle kokunezezelwa okungaka.