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Whole Grain Reduces Gut Serotonin Levels – And Risk Of Diabetes

May 13, 2019: 12:00 AM EST
A new Finnish study finds that adults who eat whole grain rye products have lower plasma serotonin levels than people eating low-fiber wheat bread, and therefore possibly a lower risk of type 2 diabetes. Serotonin, best known as a neurotransmitter in the brain, is also produced by the intestines where it remains separated from the brain. In the gut it serves various peripheral functions. including modulation of gut motility, the ability to move food through the digestive tract. Increased blood serotonin is also associated with high blood glucose levels. The researchers noted that whole grain is known to reduce the risk of diabetes. “On the basis of these new results, the effect could at least partly be due to a decrease in serotonin levels," said researcher Kati Hanhineva from the University of Eastern Finland. (Pekka Keski-Rahkonen et al., The American Journal of Clinical Nutrition, 2019.)[Image Credit: © Couleur from Pixabay]
"Whole Grain Can Contribute To Health By Changing Intestinal Serotonin Production", ScienceDaily, May 13, 2019, © ScienceDaily
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