Caffeine ntsiav tshuaj los sis muaj zog khob ntawm dej haus

Alkaloid caffeine yog heev nyob rau hauv cov ntaub ntawv uas cov xwm. Nyob rau hauv dog dig lub neej, nyob ntawm seb cov khoom noj uas peb tau txais nws txawv zaub mov. Nyob rau hauv cov tshuaj yej yoojyim nws cov ntsiab lus nce mus txog 4%, nyob rau hauv kas fes noob - txog li 2%, tus nqi ntawm cov caffeine nyob rau hauv kafes ceev yog 6%, thiab cocoa taum - Mus txog 4%. Tshuaj, khoom caffeine raws li ib tug classic stimulant. Nws muaj peev xwm mus "nplawg li" lub paj hlwb, kom tsis txhob qaug zog, ua kom puas siab puas ntsws neeg ras heev thiab caum ib tug npau suav rau ib tug ntev lub sij hawm tau pom los ntawm cov txiv neej thiab yog dav siv nyob rau hauv xyaum.

Nws stimulating nyhuv ntawm caffeine qhia tau hais tias vim muaj ib tug thaiv cov hlab cov nyhuv ntawm adrenaline receptors - Cns neurotransmitter. Nyob rau hauv tas li ntawd, caffeine yuav muab ib tug ncaj qha stimulating nyhuv. Zoo li tag nrho cov methylxanthine, nws muaj peev xwm los thaiv lub enzyme, limiting tus kis tau tus mob ntawm cov hlab impulses ntawm lub cellular theem. Nyob rau hauv lwm yam lus, tej stimulus yog ho ua nws cov nyhuv rau paj hlwb.

Tab sis dhau li ntawm tus ntuj, thiaj li hu ua zaub mov noj, cov neeg muag khoom yuav tau txais cov caffeine ntsiav tshuaj. Nyob rau hauv cov ntaub ntawv no peb yuav soj ntsuam nrog ib tug dawb huv substance. Nyhuv uas ua ntsiav tshuaj, yog lawm, thaum nws txiav txim yog qhia tsawg kaj. Peb yuav tsis tau txais ib qho instant thermocline nrog palpitations raws li ntawm haus tsis tu ncua kas fes. caffeine ntsiav tshuaj muaj 0.2 g ntawm active tshuaj, nws cov nyhuv yog sib npaug rau hauv lub txais tos ntawm tej zog nyob rau hauv ib tug npaum li ntawm 0.7 l. Cov nyhuv ntawm ntshiab caffeine Teev kav ntawm 5 mus rau 7 teev. Tau txais peb cov ntsiav tshuaj nyob rau hauv ib tug kab yuav ua arrhythmias. Nyuam qhuav pib no substance tshuaj. Caffeine tshuaj yog tam sim no muag dawb do, tab sis nws yog ib tug nqi pheej yig. Tag nrho cov luag hauj lwm rau hauv txoj cai siv nws mus pw rau hauv lub buyers lawv tus kheej.

Neeg nyiam heev ntawm stimulating dej qab zib - tshuaj yej thiab kas fes, caffeine ntsiav tshuaj pom li thuam tshaj lub ancient ceremony. Tab sis nws yog lub npe hu hais tias ncaws pob xav nws kom meej meej xam, akin rau yeeb tshuaj, ib tug qauv ntawm cov caffeine. Qhov no cov ntaub ntawv uas, vim nws stimulating nyhuv, yog dav siv nyob rau hauv txoj kev kawm ntawm ncaws pob. Nws muaj peev xwm mus "leeb" lub cev tsub kom lub efficiency ntawm txhua workout, yeej txhawb nce neej puas muaj roj ua rau nws muaj ib tug tseem ceeb ntxim rau cov tshwm sim nyob rau hauv kev sib tw.

Txawm cov kev taw qhia ntawm kev txwv rau cov caffeine ntsiab lus nyob rau hauv cov zis ua rau nws yooj yim mus dhau ib tug yeeb tshuaj kuaj, txawm lub siab tshaj plaws nyob rau hauv concentration ntawm cov khoom noj ntawm ncaws pob rau lub tswv yim ntawm loj ua yeeb yam. Qhov siab tshaj plaws ntau npaum ntawm rau yam khoom uas los ntawm rau mus rau cuaj milligrams ib kilogram ntawm lub cev hnyav, nyob ntawm seb nyob rau theem ntawm kev cob qhia thiab specialization ntawm lub kis las, tab sis kuj yog ib tug xov tooj ntawm tus tau txais cov ntaub ntawv uas yuav ua rau nws yooj yim kom qhov kev kawm ntawm caffeine ntau nyob rau hauv lub seev nyob rau ntawm ib taus.

Nws kuj yog siv nyob rau hauv kws kho ib tug xov tooj ntawm cov kab mob caffeine. Cov lus qhia nyob rau hauv daim ntawv no muaj xws li cov kab mob uas suppress cov kev ua ntawm lub hauv paus poob siab system thiab hlab plawv system. Qhov zoo los ntawm kev noj cov tshuaj no cai nyob rau hauv cov kev kho mob ntawm hypotension, asthenic syndrome, cerebral vasospasm.

Lub thoob plaws siv ntawm caffeine ntsiav tshuaj nyob rau hauv tus neeg mob qhov twg qhov yuav tsum tau los mus txhim kho kev puas hlwb thiab lub cev kev ua tau zoo, tshem tawm tsaug zog, nws yog muab rau cov me nyuam nrog enuresis.

Caffeine yog ua rau tej yam kev mob uas muaj zog arousal, nyob rau hauv tus neeg mob ntawm cov pw tsaug zog mob thiab tawg. Tsis pom zoo rau cov kab mob ntawm cov hlab plawv system, atherosclerosis, glaucoma, cov neeg laus thiab cov me nyuam nyob rau hauv tsib.