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, asthma tobacco Asthma Initiative of Michigan A smoke and vape free environment is one of the simplest ways to help protect your baby's health. Exposure before and after birth can increase the risk of SIDS and other serious health Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Risks of Vaping Around Babies: What Parents Should Know Children to be better protected from second hand smoking and vaping GOV.UK