India, Sept. 12 -- It is a common misconception that cigarettes affect your lungs only when you light one. Often, passive smoking can equally harm you. In an interview with HT Lifestyle, Dr Kuldeep Kumar Grover, critical care and pulmonology head, CK Birla Hospital, Gurugram said, "Passive smoking, also called secondhand smoke, exposes non-smokers to the same toxic chemicals that active smokers inhale. This hidden danger significantly affects lung health, especially in children, the elderly, and those with existing respiratory conditions." Also read | Expert on how quitting tobacco improves health in just 20 minutes to 20 years: 'Risk of heart disease drops to half'

Dr Kuldeep Kumar Grover further shared how passive smoking can affect yo...