"The therapy that uses adult stem cells continues the EU Parliament’s note takes cells from an adult body to replace the sick ones or grow them in a different organ. In this case, the diseases include blindness, Alzheimer and Parkinson. Finally, tissue engineering is about recreating, even in a laboratory, human tissues or organs". So the lack of common regulations within the EU "leaves scope for doubts and dangerous grey areas". Parliament has been addressing this issue for a long time in response to a bill of law launched by the EU Commission and saw the emergence of very different ethical and political positions. The legislation that will be discussed by the floor tonight amends a directive and a regulation on drugs for advanced therapies and "lays down the law where the lack of rules often gets in the way of research, and aims at creating shared principles, in the attempt to reconcile a high level of safety with the protection of health". The legislation reflects, according to the speaker, "the risk posed by uncontrolled tests, new products that have not been adequately tested or imported human tissues".