Monga gawo la kafukufukuyu, amuna a 15 (azaka zapakati pa 32) ankachita masewera olimbitsa thupi kanayi pa sabata ndipo amamwa caffeine asanachite masewera olimbitsa thupi.
Akatswiri a kadyedwe koyenera amalangiza kumwa khofi kapena khofi wamphamvu theka la ola musanachite masewera olimbitsa thupi kuti awotche mafuta.
Olemba phunziroli amanena kuti zotsatira zake zimawonekera kwambiri pochita masewera olimbitsa thupi masana osati m'mawa. Francisco José Amaro-Gate, mlembi wamkulu wa phunziroli, komanso katswiri wa sayansi ya zamoyo ku yunivesite ya Granada, adanena kuti malingaliro owonjezera kusala kudya kuti achulukitse oxidation yamafuta acid ndi yofala.
Komabe, malingaliro otere alibe maziko otsimikizika asayansi, chifukwa sizikudziwika ngati izi zimagwirizanitsidwa ndi masewera olimbitsa thupi am'mawa kapena chifukwa cha kusala kudya usiku.
Mu phunziroli, amuna a 15 (apakati pa zaka 32) ankachita masewera olimbitsa thupi kanayi pa sabata. Ankadya ufa wa nyemba za khofi wobiriwira pa mlingo wa 3 mg/kg kulemera kwa thupi, pafupifupi ofanana ndi khofi wamphamvu kapena placebo mumtsuko wamadzi. Onse omwe adatenga nawo gawo adamaliza mayesowo molingana ndi zomwe adalamula ndipo adamwa caffeine kapena placebo mphindi 30 mayeso aliwonse asanachitike 8:00 am ndi 5:00 pm mwachisawawa.
Gulu lofufuza lidapeza kuti kumwa mlingo wa caffeine mphindi 30 musanayambe kuchita masewera olimbitsa thupi kumawonjezera oxidation yamafuta panthawi yolimbitsa thupi, mosasamala kanthu za nthawi ya tsiku. Panthawi imodzimodziyo, kutentha kwa mafuta kunali kwakukulu masana kusiyana ndi m'mawa, ndi nthawi yofanana ya kusala kudya. Poyerekeza ndi placebo, caffeine imachulukitsa oxidation yamafuta ndi 10.7% m'mawa ndi 29% masana. Kafeini amawonjezera kuchita masewera olimbitsa thupi ndi 11% m'mawa ndi 13% patsiku.