Ochsner journal, Jacqueline Volpi-Abadie ..., "Serotonin Syndrome" (link)
World Psychiatry, Philip J Cowen ..., "What has serotonin to do with depression?" (link)
Brain Plasticity, Julia C. Basso ..., "The Effects of Acute Exercise on Mood, Cognition, Neurophysiology, and Neurochemical Pathways: A Review" (link)
Nutrients, Trisha A. Jenkins ..., "Influence of Tryptophan and Serotonin on Mood and Cognition with a Possible Role of the Gut-Brain Axis" (link)
Innovations in Clinical Neuroscience, Randy A. Sansone ..., "Sunshine, Serotonin, and Skin: A Partial Explanation for Seasonal Patterns in Psychopathology?" (link)
Journal of Psychiatic Neuroscience, Simon N. Young, "How to increase serotonin in the human brain without drugs' (link)
Webmd, Colette Bouchez ..., "Serotonin: 9 Questions and Answers" (link)
Gezondheidsnet, "Eet je vrolijk!" (link)
Journal of Nutrition & Food Sciences, Karuna Singh ..., "Nutrient and Stress Management" (link)
National Center for complementary and intergrative health, "St. John's Wort and Depression: In Depth" (link)
Annals of General Psychiatry, Caroline J. K. Wallace ..., "The effects of probiotics on depressive symptoms in humans: a systematic review" (link)
Psychopharmacology, Susannah E. Murphy ..., "Tryptophan supplementation induces a positive bias in the processing of emotional material in healthy female volunteers" (link)
Dovepress, Hinz M ..., "5-HTP efficacy and contraindications" (link)
ScienceDirect, Suhrid Banskota ..., "Serotonin in the gut: Blessing or a curse" (link)
Endocrine reviews, Julian M Yabut ..., "Emerging Roles for Serotonin in Regulating Metabolism: New Implications for an Ancient Molecule" (link)