Asalin hoton, Getty Images 'Kar a yi ba su' Dakta Holly Scott ta bangaren ilimin halayyar dan Adam na Jami'ar Glasgow, ta ce binciken bai iya tabbatar da cewa yawan amfani da shafukan sada zumunta na jawo rashin isasshen bacci ba, amma da alama yana takara sosai da bacci.
