Physiology of high atmospheric pressure:Effects of increased pO2 (oxygen toxicity) , pN2 (Nitrogen narcosis) , CO2 narcosis ,Decompression sickness / Caisson’s disease/ Dysbaris/ Compressed air sickness / bends/ diver’s palsy. Air embolism, SCUBA

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The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help alleviate symptoms of mental illness and boost overall mental well-being.

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Physiology of high atmospheric pressure:Effects of increased pO2 (oxygen toxicity) , pN2 (Nitrogen narcosis) , CO2 narcosis ,Decompression sickness / Caisson’s disease/ Dysbaris/ Compressed air sickness / bends/ diver’s palsy. Air embolism, SCUBA

The document discusses the benefits of meditation for reducing stress and anxiety. Regular meditation practice can help calm the mind and body by lowering heart rate and blood pressure. Making meditation a part of a daily routine, even if just 10-15 minutes per day, can have mental and physical health benefits over time by helping people feel more relaxed and better able to handle life's stresses.

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The document discusses the results of a study on the impact of COVID-19 lockdowns on air pollution. Researchers found that lockdowns led to significant short-term reductions in nitrogen dioxide and fine particulate matter pollution globally as transportation and industrial activities declined substantially. However, the document notes that the improvements in air quality were temporary and pollution levels rose back to pre-pandemic levels as restrictions eased and activity increased again.

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