[1] https://www.frontiersin.org/articles/10.3389/fendo.2020.573804/full

[2] https://www.medicalnewstoday.com/articles/300846

[3] https://www.mcgill.ca/neuro/channels/news/pain-brain-256034

[4] https://pubmed.ncbi.nlm.nih.gov/32132628/

[5] https://www.hindawi.com/journals/prm/2019/9394715/

[6] https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/s12906-016-1048-6

[7] https://www.healthline.com/health/nopal#protects-nerve-cells

[8] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3434407/

[9] https://www.ncbi.nlm.nih.gov/pubmed/24975507#

[10] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5820202/