But the bear was diagnosed with psychological problems early on.

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Animals that help people with psychological problems are considered service animals if they are " individually trained to do work or perform tasks, " such as alerting someone with mental illness when it's time to take medication, according to the Americans with Disabilities Act.

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"It can leave young victims in agony and with health and psychological problems that continue into adulthood, " the NSPCC says.

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According to the National Institute of Child Health and Human Development, infants born at 37 to 38 weeks face problems with brain development and function, including psychological, behavioral and emotional problems.

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They filled out questionnaires and met with someone about the risk of psychological problems.

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Thirty per cent of the implant injury patients reported psychological problems, including four who were diagnosed with depression.

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