he is a professor of rehabilitation at Seoul National University Hospital and an expert in spine diseases who is often referred to as the "God of the Spine." He has written several bestsellers, including "Hundred Years of Waist" and "Hundred Years of Neck," and his YouTube channel "JeongseongeunTV" provides information on proper posture, exercises, and rehabilitation for people suffering from musculoskeletal pain such as herniated discs and neck discs. he emphasizes natural healing and is highly trusted for his science-based explanations.

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@dr.chung.spinejoint