Here's a study showing it has no effect on anxiety in rodents: https://www.sciencedirect.com/science/article/abs/pii/S2210523913000263 https://www.sciencedirect

Here's a study showing it has no effect on anxiety in rodents: https://www.sciencedirect.com/science/article/abs/pii/S2210523913000263 https://www.sciencedirect.com/science/article/abs/pii/S22105... Sure...PNAS is more prestigious, but I'd wait for this to get replicated before even considering any impact on humans. Aspartame's from the 70s, and has been seriously studied for decades.