London: Passive smoking can increase platelet activation in healthy people leading to formation of blood clots which can damage many organs including the kidneys, heart and brain.Researchers from the Erciyes University in Turkey found that passive smoking increased levels of platelet activation, lactate and carbon monoxide in the blood. Platelet activation is indicated by Mean platelet volume (MPV) that is increased in acute thrombotic events. In thrombotic events, microscopic clots are formed in the small blood vessels. Lactate can accumulate in the blood when the supply of oxygen to blood cells is limited. For the study, 55 healthy nonsmoker volunteers, 30 per cent males among them were prospectively enrolled. Blood samples were taken at baseline and after spending one an hour in a smoking room to measure MPV and lactate levels. Researchers also measured levels of COHb (formed when carbon monoxide (CO) binds with hemoglobin (Hb) in red blood cells).
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