Diarrhea or constipation

1. Vagus nerve vs. enteric nervous system (Neuroscience Tips)
2. Gastrointestinal symptoms vs. cognitive symptoms (Neuroscience Tips)
3. Gut motility vs. gut transit time (Neuroscience Tips)
4. Lactose Intolerance vs Milk Allergy (Telehealth for Cognitive Nutrition Tips)
5. Probiotics vs. prebiotics (Neuroscience Tips)