Women who vape are more likely to have low birthweight babies, study shows UCLA Second hand smoke is highly toxic. Here's what happens when pregnant women and their babies are exposed to second hand smoke. Secondhand Vaping Poses Hazard to Children Clinical Advisor Your Children Are Adversely Affected by Your Secondhand Smoke! TEIS, Inc Secondhand vape exposure: Risks and side effects Animal Study Shows Harmful Effects of Secondhand Smoke Even Before Pregnancy Duke Health