Are you a serial neck cracker? According to Steven Messe, MD, "The risk of cracking is not entirely understood. The vertebral arteries run into the bones of the spinal column of the neck," he continued, and ''you can potentially end up blocking that artery when you crack your neck."
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The reason neck cracking is a worse habit than you think - ZarasLounge

The reason neck cracking is a worse habit than you think - ZarasLounge