冬日寒风凛冽,许多人不愿意出门,特别是北方人有“猫冬”习惯,更是懒得出门。其实,这是大错而特错的。冬日通风不好,室内空气质量差,应该多参加室外活动,使身体受到冷风适当的刺激,可使血液循环加快,新陈代谢加速。 Cold and wintry winter, many people are reluctant to go out, especially the northerners have “cat winter” habit, it is lazy to go out. In fact, this is a big mistake and a mistake. Poor winter ventilation, indoor air quality is poor, should take part in outdoor activities, the body by the appropriate stimulation of the cold, can speed up the blood circulation, accelerated metabolism.