At night, light may make natural physiology rhythm plunge into chaos state , this biological clock are controlling the living things course that animal and plant do not stop 24 hours in circle. This destroys the regular secretion being able to restrain one kind of hormone called conquering black.

 

The hormone called conquering black being concentrated on 9 o'clock in the evening mainly till 8 o'clock in the morning. Growth and their hyperplasia always has something to do with the cancer cell the decrease the hormone called conquering black. We grow up in a either bright or darksome environment. The hormone called conquering black may be helpful to human body rest and an assimilation of the new and excretion of the old in the rapid increase at night.

 

If people reveals at night under imitation light , their secretion conquers then the plain black ability be therefore likely by restricting. Once going to bed, you ought to with light switching, until the second day wakes up in the morning.

 

Destroying being one kind of antioxidant ,the hormone called conquering black being able to protect DNA from beta-oxidation.When destroyed, DNA dissociation appears on possibility , canceration appear on possibility right away.

 

People thinks that usage light produced by electricity is logical and natural , that they do not think of light produced by electricity is poison , is environment pollution. More than the correct or required amount of light produced by electricity has effect indeed , a lifetime of people uses light produced by electricity to be sure to need to go to bed cautiously, at night nothave the light turning on. Do not allow a child to be always turning light on go to bed , your ought to pay attention to , stop turning on the light whole night.