According to researchers, your tongue has two sweet receptors in it, which evolved during the early times, when our ancestors ate a typically low - sugar diet. (articles.mercola.com)
The researchers also tested whether the combo would boost activation of sweet receptors. (sciencenewsforstudents.org)
Well, as we mentioned earlier, it's almost always sugar that stimulates sweet receptors. (supernaturalacnetreatment.com)