In order to avoid high temperatures, many citizens like to sleep in air-conditioned rooms, which will cause many invisible lumbar spondylosis, cervical spondylosis and periarthritis of the shoulder. Experts have revealed that the "computer wood man" who is sitting in front of the computer for a long time is more likely to become an army of spinal diseases. Sleeping mats in air-conditioned rooms, especially bamboo mats, cold and easy to invade joints, affecting cervical vertebrae
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