Humans have an evolutionary preference for sweetness. Sweet foods, like fruit and honey, were an important energy source for our ancestors.
However, in the modern world, sweetened foods are readily available, very cheap and advertised extensively. Now, we are consuming too much sugar in foods and drinks – the kind that is added rather than sugar that is naturally occurring. Consuming too much added sugar is bad news for health. It is linked to obesity, type 2 diabetes and tooth decay.
Because of these health concerns, manufacturers started using non-nutritive sweeteners to sweeten food as well. These sweeteners contain little to no kilojoules and include both artificial sweeteners, such as aspartame, and those that come from natural sources, such as stevia….