The answer to this question would be: D. higher rates of childhood insomnia Secondhand smokes are known to cause lung problems such as bronchitis or asthma. In children, it also increases the Sudden Infant Death Syndrome or SIDS. Some research also says possibilities in higher rates of allergies. Insomnia has the least link to smokers
It's based on opinion, but I would put that they won't start and get an addiction at an early age so it will be more difficult for them to start later in life.
