For many gatherings before the TV screen can be detrimental not only to the vision of children, but also on bone strength. Appropriate studies published scientific journal Journal of Bone and Mineral Research.
The scientists studied nearly a thousand children and young people aged 5 to 20 years. Depending on how long accustomed average hold participants watching television, they were divided into three groups: 20% watched TV less than 14 hours per week, about 40% – more than 14 hours, and the remaining building up the number of hours each year and gradually overcome the barrier of 14 hours.
Experts estimated the mass and bone strength of children and adolescents in each group with the help of X-rays. It turned out that those subjects who are spending less time watching, are the holders of a healthy skeletal system. The bones of children watch more substances necessary for health, that is, formed a kind of safety margin, which is almost impossible to “catch up” later in life as a 22-year natural bone reaches “peak” of strength. But the guys who carried out at the screen over 14 hours a week, were more prone to problems such as osteoporosis, fractures and other skeletal disorders. In addition, TV lovers (especially girls) often suffer from excess weight.
Scientists have explained the identified relationship that fans blue screen as a whole are less active lifestyle, with a long presence in a sitting or recumbent position adversely It affects the formation of the locomotor system.
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