青少年正处于生长发育阶段，身体的各种组织和器官尚未成熟，对外界环境的抵

Young people are at the growth stage, the body's various tissues and organs is not yet mature, the resistance of the external environment than adults weak, easy to absorb poison, is not conducive to the normal development of the body. Also, smoking can damage the brain and lungs, severely affect the intellectual development of young people and lung organ damage.

Teenagers are in the stage of growth and development, the body's various tissues and organs are not yet mature, the resistance to the external environment is weaker than adults, easy to absorb poisons, not conducive to the normal development of the body. In addition, smoking can damage the brain and lungs, seriously affecting the mental development of adolescents and lung organ lesions.

Teenagers are in the stage of growth and development, the various tissues and organs of the body are not mature, the resistance to the external environment is weaker than adults, easy to absorb poisons, which is not conducive to the normal development of the body. In addition, smoking will damage the brain and lungs, seriously affect the intellectual development of teenagers and lung organ lesions.<br>