Passive smoking (secondhand smoke) is extremely harmful to children, especially infants. Because infants breathe faster than adults, they inhale more smoke toxins per minute. This exposes them to dangerous chemicals like nicotine, carbon monoxide, and tar, which can damage their developing lungs. Passive smoking increases the risk of respiratory infections, asthma, ear infections, poor lung growth, and even sudden infant death syndrome (SIDS). Even brief exposure can irritate their airways and l