Less people will have to inhale the second smoke from others due to smoking in public. Many people could have less health problems due to lack of second hand smoke inhalation
PTSD in preschool children and learning disabilities; those proposed for reclassification such as pica, feeding disorder of infancy or early childhood, and separation anxiety disorder; those proposed for removal such as Rett disorder; and those proposed to be susumed under other diagnoses such as Asperger disorder and pervasive developmental disorder NOS.
The child affected by asthma can receive better treatment from an early diagnosis. This will prevent the condition from worsening and leading to other health conditions.
I don't know, they all seem important. I think the basis here though is good eating habits.