The harm of children watching TV is not just a long time!



TV has now become a must-have casual "tool" for every household. Whether it is an adult or a child, as long as it is idle, it will inevitably turn on the TV and hold a remote control board to watch what you like and find interesting.
Especially children, the children's channel of all kinds of interesting programs and animation love to the extreme, as long as there are these programs, they can sit for almost a whole day.
Although we know that letting children watch TV for a long time is unfavorable for health (most importantly, fears affect the undeveloped eyes). But many times, many parents have to do their own thing because of their own, or think that these programs have a certain educational function. So I feel that letting children watch TV is not a bad thing.
However, in France, it is illegal to let children before the age of 3 watch TV. Because watching TV too early, there will be a series of health threats, especially to the brain, which will cause irreversible damage.
The threat of watching television too early and for a long time 1. Sleeping poorly, not being a long-term melatonin and closely related to the quality of sleep, also has a non-negligible effect on adolescent developmental regulation. As we all know, infants and young children are long in sleep. Studies have found that watching television for a long time can inhibit the secretion of melatonin. If you do not watch for 1 week, the melatonin level in your child can rise by 30%.
2. The restricted development of the brain and nervous system watching TV is different from reading books. The latter can promote development and improve children's ability to analyze and think. Watching TV is a passive behavior that will hinder children from experiencing the real world and limit their imagination.
Before the age of 3, brain development should complete about 80%. Watching TV regularly slows brain development and this effect is irreversible.

3, more vulnerable to cardiovascular disease A study published this summer by the University of Sydney, Australia, said that among the 290 15-year-old boys interviewed, children who watch TV or play computer for more than two hours every day have a risk of coronary heart disease. The level of marker levels will greatly increase.
4, character impatience, difficult to find friends long-term observation found that children who often watch TV, more impatient personality, easy to nervous. Watching television is very unfavorable for social communication and for people.
How to properly guide children to watch TV properly 1. Choosing programs suitable for children Each TV program has its own relatively fixed audience, just as each book has its own readership. Not all shows are good for the child's growth. Not all shows are suitable for the child's age characteristics, just as not all books are good for writing.
Parents can try to select the program that suits their child's age characteristics so that they can see it. In this way, the child can achieve the greatest gain in the smallest unit of time. First of all, parents must look at every television program they like to watch for several times. Don't be too arbitrarily determined that cartoons are necessarily liked by children.
2, control the boot time Children are generally nervous because of homework, only the time to eat dinner may have time to look at news or sports and other programs, then you should silence or turn off the TV.
Before the age of seven, children should not watch television for more than half an hour.
Do not exceed 1 hour for children aged 7-9, and do not exceed 1.5 hours for children aged 10-12;
Students aged 13-15 should not exceed 2 hours.

3, watch TV while maintaining a healthy posture Watching TV should pay attention to eye health TV's angle and distance should be appropriate, should keep a certain distance with the TV, generally 2 to 2 and a half meters is appropriate, the distance is too close to increase the eye The ciliary muscle regulates the burden of the lens for a long time, and it easily leads to the occurrence of myopia. Do not watch TV too long.
When watching TV, you should also pay attention to the sitting posture. When you watch TV, you should also pay attention to the sitting position: Watching TV on the sofa, or watching TV on a skewed posture may lead to the occurrence of curvature of the spine.
After watching television, after doing some minor activities to watch TV, it is best to do some minor activities and then wash and sleep.

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