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More than three billion people stand to benefit from a historic climate loss-and-damage fund. But spending it involves agonizing choices about who has suffered most.
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.