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A 1-hour treatment with a low concentration of nitrous oxide, commonly known as “laughing gas,” appears to relieve symptoms of treatment-resistant major depression (TRMD), with effects lasting as long as several weeks, new research suggests. In a trial with a crossover design, investigators randomly assigned 28 patients with severe TRMD to receive a single 1-hour […]
NEW YORK (Reuters Health) – Over the past three decades, anthropogenic climate change has contributed to making pollen seasons in North America both longer and more severe, researchers in the U.S. report. Across the continent, pollen seasons advanced by 20 days and lengthened by eight days on average, and pollen concentrations rose by 21%, the […]