This is the best summary I could come up with:

In May, the World Health Organization issued an alarming report that declared widely used non-sugar sweeteners like aspartame are likely ineffective for weight loss, and long term consumption may increase the risk of diabetes, cardiovascular diseases and mortality in adults.

A few months later, WHO declared aspartame, a key ingredient in Diet Coke, to be a “possible carcinogen”, then quickly issued a third report that seemed to contradict its previous findings – people could continue consuming the product at levels determined to be safe decades ago, before new science cited by WHO raised health concerns.

It uncovered eight WHO panelists involved with assessing safe levels of aspartame consumption who are beverage industry consultants who currently or previously worked with the alleged Coke front group, International Life Sciences Institute (Ilsi).

That same day, WHO’s Joint Expert Committee on Food Additives (Jecfa), which makes consumption recommendations, reaffirmed the acceptable daily intake of 40 mg/kg of body weight.

Ruskin said the move also marks a change in direction for WHO, which in 2015 distanced itself from Ilsi when its executive board found the group to be a “private entity” and voted to discontinue its official relationship.

In the “avalanche” of media coverage of WHO’s designation of aspartame as a possible carcinogen, many outlets noted WHO’s split decision, or reported that WHO found the product to be safe.

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