The second problem is children's health.
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The chief problem is that children's educational attainments are falling, even as more money is being lavished on the schools.
And if I could wave a wand, I'd love to have a way to measure how exposure to risks like disease, infection, malnutrition and problem pregnancies impact children's potential their ability to learn and contribute to society.
But Tom Kolon, MD Urologist at the Children's Hospital of Philadelphia points out there can be a problem with leaving it until the child has grown up.
Human trafficking remained a problem in every African country, the UN's Children's Fund, Unicef, said in its April's report.
Jean Gross, the government's communication champion for children, agreed that anecdotally "we do have a problem" and teachers were increasingly concerned that it was "getting worse".
And the real problem is that in the out years, not only does it increase spending in taxes, but it passes on to our children a government that can't be afforded, and that's a big problem.
Valerie Howarth, ChildLine's chief executive, said children often found the pressure of being told about a serious problem, and then being sworn to secrecy, difficult to bear.
O'Connor: Part of the problem of the increasing addiction is that children have the perception that it's safe and part of that reason is that they are getting mixed messages.
The future of the city's primary schools, which face the same problem as families continue to have less children, will be examined further next year.
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Joyce Thacker, director for children and young people's services, said the rise was down to an improved public awareness of the problem.
And for many of China's poorest families, including the children of millions of migrant labourers, finding any school at all can be a problem.
She has been a patient at Texas Children's since she was five months old and had an open-heart "arterial switch" to repair the problem in 1991 when she was 11.
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