Even absent definitive scientific proof of its effectiveness, many healthcare programmes offer arts activity as a therapy or health intervention.

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"At school, if a kid is a little clumsy or not talking like the others, all of a sudden they are referred to speech therapy or early intervention, " says Michel Cohen, a pediatrician who runs Tribeca Pediatrics in New York.

WSJ: ADHD Warning Signs and Kids: Growing Pains or Cause for Concern?

If you can find an intervention -- either medication-based or therapy-based -- that produces significant improvements, this is a strong sign that your child will probably do well over the long term, especially if he or she continues with the treatment.

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Cato health policy analyst Michael Cannon noted that special interests successfully lobbied to require several new benefits, including drug-abuse treatment, early intervention for autism, hospice care, hormone replacement therapy, and non-in-vitro fertility services.

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It is so important that we find competent professional help for those at risk following a trauma, because early intervention, which can take the form of medications, therapy or a combination of the two, can really help people metabolize their horror and loss in ways that will provide them with a significantly happier and less impaired future.

CNN: PTSD: Know the symptoms and when to get help

The trial showed that patients randomized to chelation therapy had a lower risk of a combined endpoint of death, heart attack, stroke, percutaneous coronary intervention, bypass surgery or hospitalization for angina than those who received a placebo infusion.

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