While it was an interesting and brain-filling type of employment, the job itself was rather thankless.
Certain epidemiologic studies (mainly from a single group in Sweden) indicate an elevated risk of glioma (the most malignant type of brain cancer) in long-term users of cell phones.
The researchers knew this because they had introduced a radioactive tracer that selectively binds to the same type of receptor in the brain, the mu-opioid variety, as the endorphins.
For someone with the current brain-computer interface technology, it takes tremendous concentration and effort to type out a short message on a computer screen.
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She told him that in her entire career she had never seen third-line chemotherapy produce a significant response in his type of brain tumor.
According to Andreas Jordan, the firm's chief scientist, this procedure has no side-effects and shows particular promise against glioblastomas, a deadly type of brain cancer, and against prostate cancer.
The more stem cells present, the more virulently the tumor grows:They account for 1 in 4 cells in a glioblastoma tumor, the deadliest type of brain cancer, but only 1 in 500 cells in slower-growing forms of brain cancer, Dirks found.
Researchers measured brain activity of 47 healthy adults -- a small but scientifically valid size group for this type of study -- while using a mobile device.
Merck is pouring tens of millions into an experimental treatment for a new type of Alzheimer's drug meant to limit the main ingredient in the brain-damaging plaques believed to cause the disease.
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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