Traveling at high altitude can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and ...

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A study was undertaken to evaluate the hypothesis that altitude would aggravate their hypoxaemia, sleep-related breathing disturbances and impair daytime performance. Methods Thirty-four patients with ...

Romania’s outgoing centrist president, Klaus Iohannis, resigned on Monday as opposition hard-right parliamentary parties planned to have him impeached. The European Union and NATO member state ...

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