Table 1.

Search strategies for Google Scholar, PubMed, and Scopus Databases.

Search engine	Search Strategy	Additional filters
PubMed/MEDLINE	(("Neurodegenerative Diseases"[Mesh]) OR ("Nervous System Diseases"[Mesh]) OR ("Oxidative Stress"[Mesh]) OR ("Neuroinflammatory Diseases"[Mesh]) OR ("Glioblastoma"[Mesh]) OR ("Glioma"[Mesh]) OR ("Epilepsy"[Mesh]) OR (Seizure) OR ("Alzheimer Disease"[Mesh]) OR (Alzheimer’s disease) OR ("Parkinson Disease"[Mesh]) OR (Parkinson’s disease) OR ("Multiple Sclerosis"[Mesh]) OR (MS) OR (Neuroinflammation)) AND (("Juglans"[Mesh]) AND ((Walnuts [Title/Abstract]) OR (Walnut [Title/Abstract])))	English, August 31, 2022
Scopus	TITLE-ABS ((("Neurodegenerative Diseases") OR ("Nervous System Diseases") OR ("Oxidative Stress") OR ("Neuroinflammatory Diseases") OR ("Glioblastoma") OR ("Glioma") OR ("Epilepsy") OR ("Seizure") OR ("Alzheimer Disease") OR ("Alzheimer's disease") OR ("Parkinson Disease") OR ("Parkinson's disease") OR ("Multiple Sclerosis") OR ("MS") OR ("Neuroinflammation")) AND (("Juglans") OR ("Walnuts") OR ("Walnut"))) AND (LIMIT-TO (SUBJAREA,"MEDI")) AND ( LIMIT-TO ( LANGUAGE, “English"))	English, Medicine Subject area, August 31, 2022
Google Scholar	#1: "neurodegenerative diseases" OR "Nervous System Diseases" OR "Oxidative Stress" OR "Neuroinflammatory Diseases" OR "Glioblastoma" OR "Glioma" OR "Epilepsy" OR "Seizure" #2: "Alzheimer Disease" OR "Alzheimer's disease" OR "Parkinson Disease" OR "Parkinson's disease" OR "Multiple Sclerosis" OR "MS" OR "Neuroinflammation" #3: ”Juglans” #4: “Walnuts” #5: “Walnut” #6: #1 AND #3 #7: #1 AND #4 #8: #1 AND #5 #9: #2 AND #3 #10: #2 AND #4 #11: #2 AND #5 #12: #6 OR #7 OR #8 OR #9 OR #10 OR #11	English, August 31, 2022