不良信息对青少年身心健康的侵蚀不容忽视。
It should not be neglected that teenagers are eroded by bad information.
还有最好课桌椅最好也加大些，这样睡醒了常常腰酸背痛，对青少年身心健康不太好！
And the best of desks and chairs the best also increased, so wake up often lumbar acerbity backache, physical and mental health of young people is not so good!
了解青春期的生理变化特征及其卫生，对青少年身心的健康成长和良好心理素质的培养具有重要意义。
Learning the physiological features and hygiene education of the puberty, it's important to develop the younger's excellent psychological qualities and sound bodies.
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