A new Gallup poll shows 30% of Americans report drug abuse has caused trouble in their families, up from 22% in 2015, "a signal that the nation's opioid epidemic, which has worsened in recent years, is taking a toll." A total of 37% of Americans report their families are negatively effected by alcohol, similar to past years, and 43% report smoking has caused health problems in their families. Read more.