Could the sweetened drinks we're consuming be making us feel a little more anxious? A new study looking at the effects of the artificial sweetener aspartame on mice suggests that it's a possibility that's worth investigating further.
Could the sweetened drinks we're consuming be making us feel a little more anxious? A new study looking at the effects of the artificial sweetenerApproved by the US Food and Drug Administration in 1981, aspartame is widely used in low-calorie foods and drinks. Today, it's found in nearly 5,000 different products, consumed by adults and children.
When a sample of mice were given free access to water dosed with aspartame equivalent to 15 percent of the FDA's recommended maximum daily amount for humans, they generally displayed more anxious behavior in specially designed mood tests. What's truly surprising is the effects could be seen in the animals' offspring, for up to two generations.
"What this study is showing is we need to look back at the environmental factors, because what we see today is not only what's happening today, but what happened two generations ago and maybe even longer,"Anxiety was measured through a variety of maze tests on several generations of mice. The researchers also carried out RNA sequencing on key parts of their nervous systems to how the tissue's genes were being expressed.
We know that when it's consumed, aspartame splits into aspartic acid, phenylalanine, and methanol, which can all
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