Since this therapy is based on improving one's own healing power, it is completely natural and harmless.

由于这种疗法在改善自己的治愈力量的基础上，完全是自然的，无害。

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We may also prescribe natural therapy or acupuncture, depending on the condition. sometimes we prescribe special kinds of baths or saunas or physical exercises.

根据患者的病况，我们可能会采取自然疗法或施以针灸，有时处方也可能是浸泡特殊的温泉或做运动。

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Based on more than 23 years of scientific research, our Tranquil Moments sleep therapy system is a natural sleep aid that will help you achieve deeper states of sleep, relaxation and renewal.

基于超过23多年的科学研究，我们的宁静时刻睡眠治疗系统是一种自然睡眠的援助，这将有助于您达到深层的睡眠状态，放松和更新。

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McCarty, an investigator at Nationwide's Center for Gene Therapy, says relying on another researcher's data from a natural-history study would be problematic.

WSJ: Families Push for New Ways to Research Rare Diseases