Soybeans (IMAGE) Kyushu University Caption Research from Japan shows that a soy-derived protein fragment that reaches the brain after being ingested reduces memory degradation in mice with an induced cognitive impairment, providing a new lead for the development of functional foods that help prevent mental decline. Credit William J. Potscavage Jr., Kyushu University Usage Restrictions Only for media and non-commercial use. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.