Parents who vape may not see dangers of secondhand exposure to kids with asthma Contemporary Pediatrics Secondhand Vaping Poses Hazard to Children Clinical Advisor 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, A smoke free and vape free environment during and after pregnancy is essential for your baby's safety. Learn more at SNHD.INFO SUID.