Your article sounds like an incitement to make yet more laws that could interfere significantly with the kind of work I want to do for example, developing treatments for neurodegenerative disorders, including electric-brain stimulation, stem-cell implantation and modification of cell genomes.

ECONOMIST: Matters of state

The Kidney Federation has campaigned for more effort to be made to take organs from donors other than brain stem-dead patients.

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Today's tests concentrate on the stalk-like brain stem, in charge of basics such as breathing, sleeping and waking.

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Research in autism has indicated abnormalities in spinal fluid and chemical signaling in the brain- anecdotal reports of children undergoing stem cell therapy have indicated some potentially encouraging results.

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All 19 SIDS brains showed strong or moderate levels of interleukin-1 in the same regions of the brain stem.

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Sure enough, he found that the only cells that could produce new tumors in the test tube were the ones with CD133--strong circumstantial evidence that defective stem cells were the growth factor in brain cancer.

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It used to be thought that neural stem cells--which divide to produce nerve cells in an embryonic brain--shut down in adulthood.

ECONOMIST: Something new in mind

However, he said that embryonic stem cells remained the most obvious source of cells for such transplants, as foetal tissue - used in some experiments - was scarce, and so-called "adult stem cells" had never been converted into the right type of brain cells, despite 15 years of research.

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