颈椎病有逐渐年轻化趋势，哪些是高危人群？出现这类症状别大意→

Group 1 - The article emphasizes the importance of spinal health, highlighting that the spine is a crucial part of the human body, often referred to as the "second lifeline" [1] - It discusses the increasing prevalence of cervical spondylosis and lumbar disc herniation due to modern lifestyle factors such as prolonged sitting and poor posture [1][7] - The article notes that cervical spondylosis is primarily a degenerative disease affecting middle-aged and elderly populations, but younger individuals are increasingly at risk due to habits like excessive smartphone use [7][9] Group 2 - The structure of the spine is detailed, including its various sections: cervical, thoracic, lumbar, sacral, and coccygeal, with specific numbers of vertebrae in each section [3] - Symptoms of cervical spondylosis include neck pain, stiffness, dizziness, and weakness, which can severely impact daily activities [5][9] - High-risk groups for developing cervical spondylosis include those in information technology, drivers, and individuals who frequently work at desks [9]