Health

Sen. John McCain, 80, has a brain tumor, the Mayo Clinic and the Arizona Republican's office announced Wednesday night.

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Progress on research and treatment for dementia has been "achingly slow", an expert says ahead of a London summit. Dr Dennis Gillings said a pledge by G8 countries to find a cure or treatment by 2025 would be "impossible" without better incentives for investment.

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Former Brazilian President Luiz Inacio Lula da Silva has been convicted of corruption charges and sentenced to nine-and-a-half years in prison, court documents show.

AMMAN, Jordan — As next in line to be king of Saudi Arabia, Mohammed bin Nayef was unaccustomed to being told what to do. Then, one night in June, he was summoned to a palace in Mecca, held against his will and pressured for hours to give up his claim to the throne.

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