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An experimental drug cleared protein buildup in the brains of people with mild Alzheimer's disease and slowed their mental decline, the results of a preliminary trial showed. "Although potentially this is an exciting story, it is important to temper any excitement with considerable caution," said Robert Howard, a professor of old age psychiatry at University College London. Researchers in the United States and Switzerland tested aducanumab, developed by biotech firm Biogen, on 165 people with early-stage Alzheimer's disease for a period of one year.
The huge back-tax bill European authorities slapped on Apple has put a spotlight on $2.4 trillion in untaxed earnings parked offshore by US companies, a tempting target for governments seeking to strengthen their finances. While Washington lays claim to rights to tax the money, critics say it represents profits transferred out of other countries' jurisdictions by accounting tricks. On Tuesday the European Commission ruled that Ireland's deep tax breaks for Apple were not allowed under EU rules and told the company to pay $14.5 billion in back taxes.