Parkinson-Krankheit
South Korean study links cavity-causing mouth bacterium to Parkinson’s-like brain changes in mice
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Researchers in South Korea report evidence that an oral bacterium best known for causing tooth decay can colonize the gut and generate a metabolite that reaches the brain and triggers Parkinson’s-like pathology in mouse experiments. The work, published in Nature Communications, adds to growing evidence that gut microbes and their byproducts may influence neurodegenerative disease processes.
Researchers at McGill University have challenged the conventional understanding of dopamine's function in movement, suggesting it acts more like engine oil than a gas pedal. This discovery, published in Nature Neuroscience, could simplify treatments for Parkinson's disease by focusing on maintaining steady dopamine levels. The findings stem from experiments showing that dopamine enables movement without directly controlling its speed or force.
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Apple TV+’s Shrinking kehrt mit der dritten Staffel am 28. Januar zurück, mit einer einstündigen Premiere, die sich auf tiefere Herausforderungen für die Charaktere konzentriert. Co-Creator Bill Lawrence enthüllt, dass Pauls Parkinson-Krankheit schlimmer wird, während Jimmy neue romantische Möglichkeiten auslotet. Die Staffel führt auch bemerkenswerte Gaststars ein, darunter Michael J. Fox und Jeff Daniels.