Routine exercise Not Always Healthy

Exercise is one of the factors needed for healthy living . But that was just too much to do it is not necessarily good for the health .

A new study suggests , too much exercise can be bad for health . In fact the effect is almost the same with those who are not actively engaged.

The researchers revealed that adolescents who exercise excessively tend to have low self-esteem , anxious , and stress , than such as those who never or rarely exercise . Men and women who exercise more than 17.5 hours per week have a level of health that is almost the same as they were only 3.5 hours of physical activity per week .

Sports , they said , is known as an activity that can have a positive impact mental and physical health by reducing stress and anxiety . This is because exercise can increase self-confidence and brain power .

According to researchers , most people exercise excessively , even though only a minority of around five per cent of the population . Meanwhile , more and more people who claim to not active , ie one third of the population .

Researchers also revealed that the most disadvantaged groups are those who exercise in serving slightly more than enough , ie 14 hours per week .

The study, published in the British Medical Journal analyzed data on more than 1,200 adolescents and young adults aged 16 to 20 years in Switzerland during the month of February 2009 until January 2010 . Calculation of mental and physical health carried out in accordance with the criteria of the WHO scale of 0-25 . Scores below 13 indicate poor health .

Of the total participants , only one-third of whom claimed to exercise a maximum of 3.5 hours per week , two -fifths of exercise 3.6 to 10.5 hours per week , less than a fifth of exercise 10.6 and 17.5 hours , and only five percent of the admitted to the exercise of more than 17.5 hours .

Having calculated the WHO health scale , adolescents in the group lack of exercise and excess exercise two times more likely to receive a score of less than 13 . While the average participant had a score of 17 on the scale .

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