日前,一位母亲在网络上发帖称,由于4岁的女儿晚上睡觉怕黑,便一直开着小夜灯,没想被查出孩子体内褪黑激素分泌不足,导致了性早熟。解放军第303医院内分泌科主任黎南中表示,人脑中的松果体在夜间会分泌大量的褪黑素,如果受过多光线照射,松果体会减少分泌褪黑激素,因而伴灯入睡易引起儿童性早熟。研究发现,褪黑素 Recently, a mother posting on the Internet said that as 4-year-old daughter was afraid to sleep at night, she had been driving on a night light. I did not expect to find out that the child had insufficient secretion of melatonin, which led to precocious puberty. People’s Liberation Army 303 Hospital Endocrinology Director Li Nanzhong said that in the human brain, pineal glands secrete large amounts of melatonin at night, if too much light exposure, pineal gland will reduce the secretion of melatonin, which led to falling asleep easily lead to Children are precocious. The study found that melatonin