Aspartame Exposure Increases Cancer Risk in Rats
Author Information
Author(s): Soffritti Morando, Belpoggi Fiorella, Tibaldi Eva, Esposti Davide, Degli Lauriola Michelina, Cesare Maltoni
Primary Institution: Cesare Maltoni Cancer Research Center, European Ramazzini Foundation of Oncology and Environmental Sciences
Hypothesis
Does life-span exposure to low doses of aspartame beginning during prenatal life increase cancer effects in rats?
Conclusion
The study confirms that aspartame exposure starting in fetal life increases the risk of cancer in rats.
Supporting Evidence
- The study found a significant increase in malignant tumors in male rats exposed to high doses of aspartame.
- Female rats showed a significant increase in lymphomas and mammary cancers when exposed to aspartame.
- Results indicate that prenatal exposure to aspartame increases cancer risk more than postnatal exposure.
Takeaway
Giving rats aspartame while they are still developing in their mothers makes them more likely to get cancer later in life.
Methodology
Groups of 70–95 male and female Sprague-Dawley rats were given different doses of aspartame in their feed from fetal life until natural death.
Potential Biases
Potential bias from historical control data and the specific strain of rats used.
Limitations
The study's findings may not directly translate to humans due to differences in metabolism and exposure levels.
Participant Demographics
Male and female Sprague-Dawley rats.
Statistical Information
P-Value
p < 0.01
Statistical Significance
p < 0.01
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website