However, the link between artificial sweetener use and obesity is controversial. (alivebynature.com)
Studies have shown a variety of not too nice results from artificial sweetener use including weight gain. (physiqueformuladiet.com)
Many people are wary of artificial sweeteners used in place of sugar in «diet» drinks and are likely to be unhappy if this is the only option they have in Tesco stores from September. (telegraph.co.uk)