The truth about artificial sweeteners

They were promised as a guilt-free way to sweeten foods, but artificial sugar substitutes have gained a bad reputation in recent years. Should we use them with caution?

While there is no proof of the grim side-effects some people believe artificial sweeteners can cause, there is fierce debate among nutritionists about the way our body deals with these sugar substitutes - and whether they could be causing us harm.

Take a look at this video , and then dive into this piece by Claudia Hammond for the details.