Sexual precocity: turn on the light sleep to blame? 
 
 
May 18, 2014 
 

Source: guangzhou daily 

        Light is still lack of statistics and the relationship between sexual precocious and But as far as possible with artificial lighting 
 
 
        Recently reported that more than 5 years old girl, sweet, "often the two months of chest pains", a look at her chest was slightly uplift. After rule out the effect of dietary, the doctor finally find the reason was turn on the light sleep. Is it true? 
 
 
 
 
 
 
        Is confirmed by experimental data 
 
 
        Henan college of traditional Chinese medicine of doctor of vice director of the first affiliated hospital of pediatrics, are becoming expert Zheng Hong responded: "turn on the light to endocrine hormone will be a long time, but as long as it's not every day habitually sleep must turn on the light should not lead to precocious puberty." She also said that so far no one has connection to the artificial lighting and precocious puberty done system of scientific experiment research. 
 
 
        Zhengzhou university first affiliated hospital of doctor of vice director of pediatric Tian Peichao expressed the same view. 
 
 
        Abroad about excessive light is the cause of sexual precocity children literature, but "light" is not clear how much is the standard of the people's liberation army 155 hospital of pediatrics director liu said, "turn on the light at night sleeping babies sexual precocity" has certain possibility, but there is no reliable experimental data. 
 
 
        A complex causes precocious puberty 
 
 
        In 2010, according to the ministry of health issued "precocious puberty guidelines (try out)" regulation, precocious puberty is refers to the "boys before the age of 9, girls present before the age of 8 secondary sex characteristic". According to the pathogenesis and clinical manifestations of divided into central precocious puberty and peripheral precocious puberty. Central precocious puberty and "affinity" normal youth development, children with secondary sex characteristic and development of internal and external genitalia. Peripheral precocious puberty is a "sex steroid hormones in the body due to a variety of causes higher levels to adolescence, so only secondary sex characteristic of the early, do not have full sexual development procedural process". 
 
 
        Pediatric hospital affiliated to fudan university, are becoming the authoritative expert professor Cai Depei in "why in recent years the onset of a marked increase in the incidence of sexual precocity children" is pointed out that the main factors influencing the precocious puberty has four aspects: 
 
 
        First, the improvement of living conditions. This generation of children due to the improvement of the nutrition, superior living conditions, reduce the role of environmental factors such as disease, generally than the previous generation of sexual development and maturation in advance, belongs to the normal phenomenon, but the individual too early has increased. 
 
 
        Second, the influence of environment pollutants like hormone. They primarily by detergent, pesticide and plastic industry is discharged into the environment material and its breakdown products, they are after degradation to a certain extent, have estrogen-like activity. After consumption by children, can cause reproductive organs and skeletal dysplasia. 
 
 
        Three, the intake of food or drugs containing sex hormones. 
 
 
        Fourth, the influence of the social psychological factors. Now children conveniently contact with sexual content, common "civilized" earlier.