Malinga ndi maphunziro ambiri, kuvutika maganizo kumachitika mwa amayi nthawi zambiri kuposa amuna - mu 4 mwa 10 milandu motsutsana ndi 1 pa 10. Choyamba, izi ndi chifukwa cha makhalidwe a thupi, ndipo kachiwiri, zakudya za njala nthawi zambiri zimabweretsa izi.
Thupi, lopanikizidwa muzakudya zolimba, lilibe chilichonse chopanga Serotonin, yomwe imatchedwanso "hormone ya chisangalalo".
Kwa amayi omwe ali ndi nkhawa, akatswiri azakudya amalimbikitsa kuti asinthenso menyu ndikuwonjezera zakudya zomwe zili ndi amino acid tryptophan pazakudya zatsiku ndi tsiku, zomwe serotonin imapangidwa.
Pali tryptophan yambiri mkati. Zoonadi, chakudya cha kalori chiyenera kuyang'aniridwa - apo ayi mawonekedwe "oyandama" adzakhala chifukwa china chokhumudwitsa.