1. NICE CG115 alcohol-use disorders assessment (2011).
2. Ghaemi S, Zeraattalab-Motlagh S, Jayedi A, Shab-Bidar S. The effect of vitamin D supplementation on depression: a systematic review and dose-response meta-analysis of randomized controlled trials. Psychological Medicine. 2024;54(15):3999–4008. doi: 10.1017/S0033291724001697. PMID: 39552387.
3. Mayo Clinic Laboratories. Folate, Serum. Test ID FOL. https://www.mayocliniclabs.com/test-catalog/overview/9198.
4. Mayo Clinic Laboratories. Vitamin B12 Assay, Serum. Test B12. https://www.mayocliniclabs.com/test-catalog/Overview/9154.
5. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). Risk Factors for Type 2 Diabetes. https://www.niddk.nih.gov/health-information/diabetes/overview/risk-factors-type-2-diabetes.
6. Xiao X, Deng H, Li P, Sun J, Tian J. Statin for mood and inflammation among adult patients with major depressive disorder: an updated meta-analysis. Frontiers in Psychiatry. 2023;14:1203444. doi: 10.3389/fpsyt.2023.1203444. PMID: 38034928. PMCID: PMC10684957. https://pubmed.ncbi.nlm.nih.gov/38034928/.
7. Mayo Clinic Laboratories. Zinc, Serum. Test ZN_S. https://www.mayocliniclabs.com/test-catalog/overview/7735.
8. Miyaguchi R, Masuda F, Sumi Y, Kadotani H, Ozeki Y, Banno M, Kuniyoshi Y. Prevalence of depression or depressive state in patients with restless legs syndrome: A systematic review and meta-analysis. Sleep Medicine Reviews. 2024;77:101975. DOI: 10.1016/j.smrv.2024.101975. PMID: 39024776. https://pubmed.ncbi.nlm.nih.gov/39024776/.
9. GINA Global Strategy for Asthma Management and Prevention 2026 (2026). https://ginasthma.org/2026-gina-strategy-report/.
10. Mayo Clinic Laboratories. Homocysteine, Total, Serum. Test HCYSS. https://www.mayocliniclabs.com/test-catalog/overview/35836.
11. Mayo Clinic Laboratories. Selenium, Serum. Test SES. https://www.mayocliniclabs.com/test-catalog/overview/9765.
12. Mayo Clinic Laboratories. Cobalamin, Methionine, and Methylmalonic Acid Pathways, Plasma. Test CMMPP. https://www.mayocliniclabs.com/test-catalog/overview/606103.
13. Mayo Clinic Laboratories. Copper, Serum. Test CUS1. https://www.mayocliniclabs.com/test-catalog/overview/616155.
14. NIH ODS Vitamin B6 Fact Sheet - deficiency manifestations (2023). https://ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/.
15. Mayo Clinic Laboratories. Acylcarnitines, Quantitative, Plasma. Test ACRN. https://www.mayocliniclabs.com/test-catalog/Overview/82413.
16. Leslie ND, Saenz-Ayala S. Very Long-Chain Acyl-Coenzyme A Dehydrogenase Deficiency. 2009 May 28 [revised 2025 Aug 7]. In: GeneReviews® [Internet]. Seattle (WA): University of Washington, Seattle. Bookshelf ID NBK6816.
17. Karim S, Natche J, Babli SA, Avinash, Matakhov D, Ferdous S, Jeyakkodi H, Alamu OS, Rizwanullah U, Hameed SA. Association Between Low Vitamin D Levels and Depression: A Systematic Review and Meta-Analysis. Cureus. 2026;18(5):e109430. doi: 10.7759/cureus.109430. PMID: 42338858. https://pubmed.ncbi.nlm.nih.gov/42338858/.
18. NICE NG222 antidepressant medication (2022).
19. NICE NG20 coeliac disease recognition and testing (2015).
20. Kidney Disease: Improving Global Outcomes (KDIGO). KDIGO 2024 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease. 2024. https://kdigo.org/guidelines/ckd-evaluation-and-management/kdigo-2024-ckd-guideline/.
21. Elizondo G, Matern D, Vockley J, Harding CO, Gillingham MB. Effects of fasting, feeding and exercise on plasma acylcarnitines among subjects with CPT2D, VLCADD and LCHADD/TFPD. Molecular Genetics and Metabolism. 2020;131(1–2):90–97. doi: 10.1016/j.ymgme.2020.09.001. PMID: 32928639. PMCID: PMC8048763. https://pubmed.ncbi.nlm.nih.gov/32928639/.
22. Prasun P, LoPiccolo MK, Ginevic I. Long-Chain Hydroxyacyl-CoA Dehydrogenase Deficiency / Trifunctional Protein Deficiency. 2022 Sep 1. In: GeneReviews® [Internet]. Seattle (WA): University of Washington, Seattle. Bookshelf ID NBK583531; PMID 36063482.
23. Li Y, Dang X, Chen R, Teng Z, Wang J, Li S, Yue Y, Mitchell BL, Zeng Y, Yao Y-G, Li M, Liu Z, Yuan Y, Li T, Zhang Z, Luo X-J. Cross-ancestry genome-wide association study and systems-level integrative analyses implicate new risk genes and therapeutic targets for depression. Nature Human Behaviour. 2025;9(4):806–823. doi: 10.1038/s41562-024-02073-6. PMID: 39994458. https://pubmed.ncbi.nlm.nih.gov/39994458/.
24. Lai HH, Pontari MA, Argoff CE, Bresler L, Breyer BN, Chou R, Clemens JQ, De EJB, Doiron RC, Johnson D, Kirkby E, MacDonald SM, Osborne JH, Parekattil SJ, Shelly B. Male Chronic Pelvic Pain: AUA Guideline: Part I Evaluation and Management Approach. The Journal of Urology. 2025;214(2):116–126. doi: 10.1097/JU.0000000000004564. PMID: 40243110. https://pubmed.ncbi.nlm.nih.gov/40243110/.
25. Kawamoto MM, Page EH. Notes from the Field: Use of Unvalidated Urine Mycotoxin Tests for the Clinical Diagnosis of Illness — United States, 2014. MMWR Morb Mortal Wkly Rep. 2015;64(6):157–158. https://stacks.cdc.gov/view/cdc/183211.
26. Labcorp. Organic Acid Analysis, Urine. Test 716720. https://www.labcorp.com/tests/716720/organic-acid-analysis-urine.
27. Lefrère A, Burtey S, Bobot S, Belzeaux R, Bobot M. Depression in chronic kidney disease: Particularities, specific mechanisms and therapeutic considerations, a narrative review. Behavioural Brain Research. 2025;483:115467. doi: 10.1016/j.bbr.2025.115467. PMID: 39923943. https://pubmed.ncbi.nlm.nih.gov/39923943/.
28. Fiani D, Chahine S, Zaboube M, Solmi M, Powers JM, Calarge C. Psychiatric and cognitive outcomes of iron supplementation in non-anemic children, adolescents, and menstruating adults: A meta-analysis and systematic review. Neuroscience & Biobehavioral Reviews. 2025;178:106372. doi: 10.1016/j.neubiorev.2025.106372. PMID: 40945632. https://pubmed.ncbi.nlm.nih.gov/40945632/.
29. American College of Obstetricians and Gynecologists. Screening and Diagnosis of Mental Health Conditions During Pregnancy and Postpartum: ACOG Clinical Practice Guideline No. 4. Obstetrics & Gynecology. 2023;141(6):1232–1261. doi: 10.1097/AOG.0000000000005200. PMID: 37486660. https://pubmed.ncbi.nlm.nih.gov/37486660/ ; https://doi.org/10.1097/AOG.0000000000005200.
30. Li K, Li Y, Jiang X, Zhu Y. The effects of cholesterol-lowering drugs on neurocognitive function: systematic review and meta analysis. Frontiers in Neurology. 2026;17:1696228. doi: 10.3389/fneur.2026.1696228. PMID: 41716550. https://pubmed.ncbi.nlm.nih.gov/41716550/.
31. Bode H, Ivens B, Bschor T, Schwarzer G, Henssler J, Baethge C. Association of Hypothyroidism and Clinical Depression: A Systematic Review and Meta-analysis. JAMA Psychiatry. 2021;78(12):1375–1383. doi: 10.1001/jamapsychiatry.2021.2506. PMID: 34524390.
32. Norouziasl R, Zeraattalab-Motlagh S, Jayedi A, Shab-Bidar S. Efficacy and safety of n-3 fatty acids supplementation on depression: a systematic review and dose-response meta-analysis of randomised controlled trials. British Journal of Nutrition. 2024;131(4):658–671. doi: 10.1017/S0007114523002052. PMID: 37726108. https://pubmed.ncbi.nlm.nih.gov/37726108/.
33. Dweik RA, Boggs PB, Erzurum SC, Irvin CG, Leigh MW, Lundberg JO, Olin A-C, Plummer AL, Taylor DR; American Thoracic Society Committee on Interpretation of Exhaled Nitric Oxide Levels (FeNO) for Clinical Applications. An Official ATS Clinical Practice Guideline: Interpretation of Exhaled Nitric Oxide Levels (FeNO) for Clinical Applications. Am J Respir Crit Care Med. 2011;184(5):602–615. DOI: 10.1164/rccm.9120-11ST. PMID: 21885636; PMCID: PMC4408724.
34. Zhang H, Zhai B. The Human Mycobiome. Current Topics in Microbiology and Immunology. 2025;446:1–18. doi: 10.1007/82_2025_315. PMID: 40495083. https://pubmed.ncbi.nlm.nih.gov/40495083/.
35. Szabo YZ, Nishimi K, Smirnova M, Niles A, Lerche AS, Tsai H-A, Afroz S, Huey N, Mathur M, O'Donovan A. Sex-specific associations of depression with inflammatory markers: a systematic review and meta-analysis. Translational Psychiatry. 2026;16(1):394. doi: 10.1038/s41398-026-04139-7. PMID: 42230540. https://pubmed.ncbi.nlm.nih.gov/42230540/.
36. Bhasin S, Brito JP, Cunningham GR, Hayes FJ, Hodis HN, Matsumoto AM, Snyder PJ, Swerdloff RS, Wu FC, Yialamas MA. Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline. The Journal of Clinical Endocrinology & Metabolism. 2018;103(5):1715–1744. doi: 10.1210/jc.2018-00229. PMID: 29562364. https://pubmed.ncbi.nlm.nih.gov/29562364/ ; https://doi.org/10.1210/jc.2018-00229.
37. Desalegn D, Fischer S, Bedada Y, Freuer D, Meisinger C. Autoimmunity to mental health: Risk of depression in type 1 diabetes and celiac disease patients - A systematic review, meta-analysis, and bias assessment. Journal of Autoimmunity. 2026;158:103524. doi: 10.1016/j.jaut.2026.103524. PMID: 41538974. https://pubmed.ncbi.nlm.nih.gov/41538974/.
38. American Academy of Sleep Medicine. Clinical use of a home sleep apnea test: An updated American Academy of Sleep Medicine position statement. https://aasm.org/advocacy/position-statements/clinical-use-of-a-home-sleep-apnea-test-an-updated-american-academy-of-sleep-medicine-position-statement/
39. Mayo Clinic Laboratories. Carnitine, Plasma. Test CARN. https://www.mayocliniclabs.com/test-catalog/Overview/8802.
40. NIH ODS Zinc Fact Sheet - deficiency manifestations (2025). https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/.