We all know that smoking is injurious to the health but the to second-hand or passive smoking can also affect to your health. Besides affecting the heart and lungs, exposure to passive smoking can also raise the chances of chronic kidney disease (CKD), which can lead to renal failure.

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According to the study,  individuals with less or more than 3 days of exposure per week had nearly double the risk of having kidney disease when compared with participants with no second-hand cigarette exposure.

Jung Tak Park from Yonsei University in Seoul said, "Second-hand smoke exposure at home or in the workplace is still prevalent despite legislative actions prohibiting public smoking.  He further added, "This exposure was found to be clearly related with CKD, even with less-frequent amounts of second-hand smoke exposure.”

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As per World Health Organisation (WHO), smoking tobacco is globally the second leading cause of heart diseases after high blood pressure. Nearly 12 per cent of cardiovascular deaths worldwide occur due to tobacco abuse and second-hand smoking.