Bafuputsi Mekhatlo ea Sechaba ea Bophelo (NIH) e ile ea sibolla ts'epo e kholo ea 'mele motšehare oa 80s. Lipatlisiso tsa bona li netefalitse ka ho hlaka hore khaello ea khanya nakong ea mariha e ka baka mathata a maikutlo. Leseli le thibela ho ntšoa ha melatonin, hormone ea boroko, 'me le khothalletsa ho ntšoa ha serotonin, e leng hormone e sebetsang khahlanong le ho tepella maikutlo. 

Kajeno, ho feta 18% ea baahi ba Quebec le ho feta 15% ea baahi ba Fora ba tšoeroe ke mariha a mariha, ao ha matšoao a ntse a tsoela pele, a ka fetoha khatello ea maikutlo ea nako ea selemo.

Matšoao a mariha a mariha a etsa hore bophelo ba letsatsi le letsatsi bo be bohloko haholoanyane. Mokhathala, ho hloka tjantjello, tšekamelo ea ho lula u notlehile, botsoa, ​​ho nyahama, ho hlonama le ho jeoa ke bolutu li atisa ho utluoa ... empa ha li phekolehe. Fumana likeletso tsa rona tsa ho loants'a li-blues tse nyane tsa mariha.