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Pregnancy Alters Eating Urge Study
The study indicates that changes in the brain during pregnancy, particularly an increase in the activity of the potassium ion channel "SK3," reduce the activity of serotonin-producing neurons associated with the reward and motivation circuit. This change contributes to decreased activity in certain neurons, leading to an increased craving for specific foods, known as "food cravings." The findings suggest a potential neural mechanism behind the shift in pregnant women's preferences for certain foods. However, the study was conducted on animal models and does not confirm that the same process occurs in humans.
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