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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.