Nor is the whole thing just rich-world hypochondria, says Paulo Mattos, who runs an ADHDstudy group at the Federal University of Rio DE Janeiro.

并不是只有富裕世界才有这种忧郁症，来自里约热内卢联邦大学的Paulo Mattos说，他在那里有一个注意障碍多动症研究小组。

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While studying mathematics at the Federal University of Rio de Janeiro, Esteves joined the IT department of investment bank Pactual as an intern in 1989.

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Nelson do Valle Silva, a sociologist at the Federal University of Rio de Janeiro, says that the backlash against quotas would have been even stronger if access to universities were not growing so fast.

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Professor Adilson de Oliveira, an energy economist at the Federal University of Rio de Janeiro, reckons that electricity from a new nuclear plant would cost 50-60% more than this before counting the charges for dismantling nuclear stations at the end of their lives.

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