Huge progress has been made in medical practice over recent decades. For example, the discovery of fiber optics has made it possible to take a close look at the stomach or intestine and identify problem zones. Computer tomography creates three - dimensional images without using harmful X - rays. Intensive care medicine, transplantation medicine and genetic engineering are now making it possible to tackle diseases previously regarded as incurable. But there is still much uncharted scientific territory, for example with regard to diseases that have only emerged with our civilization.
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