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The findings support a controversial hypothesis that proteins related to the neurodegenerative disease can be ‘seeded’ in the brain through material taken from cadavers.
The blockbuster medications that reduce body weight also reduce inflammation in organs such as the brain, raising hopes that they can treat Parkinson's and Alzheimer's diseases.
Landing within 100 metres of its target zone, the craft has pioneered a new image-based automatic navigation system. But its mission might be cut short.