Virtual reality exposure therapy (VRET) is a new treatment for fear of flying.

虚拟现实暴露疗法是治疗飞行恐惧症的新方法。

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During the first six months, the teens take part in therapy sessions to help them understand their new reality and responsibilities.

CNN: Giving teen moms the tools to change their lives

If this does turn out to be the case, scientists may well have to develop a safer way of delivering new genes into the body, if the enormous promise of gene therapy is ever to become reality.

BBC: Gene therapy 'causes leukaemia'