“…Cassidy, J. David from the University of Toronto, researches the epidemiology and risk factors of NP [ 44 ]. Cote Pierre, from the University of Ontario Institute of Technology, investigates the prevalence of NP, the efficacy of manual interventions, and the relationship between NP, depression, and anxiety [ 34 , 45 , 46 ]. Disc degeneration's association with NP [ 47 ], as well as the prevalence of NP, whiplash injury, physical therapy, manual therapy, randomized controlled studies, and systematic reviews, are important keywords in this field.…”