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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 protect against mental illness and improve symptoms for those who already suffer from conditions like depression and anxiety.
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This document discusses various applications of nanoparticles in medical fields, industries, and environmental issues. Nanoparticles can be used to more effectively deliver drugs to specific target areas in the body. They are also being researched for cancer therapy by using light-activated nano shells to kill tumor cells. In industries, nanoparticles can improve food packaging, textiles, cosmetics, sports equipment, construction materials like cement and steel, and wood products. They are also being applied to environmental cleanup by breaking down oil spills and removing pollutants from air and water.
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