An yi imani da cewa matsakaicin sha yana da kyau ga lafiyar jiki; wannan ra'ayi ya fito ne daga wani bincike da aka yi a shekaru talatin da suka gabata, wanda ya nuna cewa mutanen da ke sha a tsaka-tsaki sun fi sha fiye da wadanda suka sha ko kuma wadanda ba su sha ba. Mafi koshin lafiya da ƙarancin mutuwa da wuri.

Idan wannan gaskiya ne, to ni (mawallafin asali) na yi farin ciki sosai. Lokacin da bincikenmu na baya-bayan nan ya kalubalanci mahangar da ke sama, masu binciken sun gano cewa, idan aka kwatanta da yawan shan giya ko wadanda ba su sha ba, masu matsakaicin shayarwa suna da lafiya sosai, amma a lokaci guda kuma suna da wadatar arziki. Idan muka kula da dukiya Idan aka zo batun illar shaye-shaye, tabbas amfanin shaye-shayen zai ragu matuka a tsakanin mata masu shekaru 50 zuwa sama, kuma amfanin lafiyar da ke tattare da shan tsaka-tsaki tsakanin maza masu shekaru daya kusan babu shi.

Ƙididdigar bincike sun nuna cewa matsakaicin shan giya yana da alaƙa kai tsaye da ingantaccen aikin kiwon lafiya a cikin tsofaffi a cikin shekaru 55 zuwa 65. Duk da haka, waɗannan binciken ba su yi la'akari da wani babban abin da ke shafar lafiyar jiki da amfani da barasa ba. Dukiya ce (dukiya). Domin yin nazari mai zurfi a kan wannan batu, masu bincike sun binciki ko saboda matsakaicin shaye-shaye ne tsofaffi ke samun lafiya, ko kuma dukiyar tsofaffi ce za ta iya samun lafiyar rayuwarsu.