1: So people are n't as aware about the danger of sharing needles . 2: Many family members , across generations , live in the same house and will use the drugs together as  a community activity ,  Duwve said . 3: Some families in isolated communities use illegal drugs and share needles as a  community activity ,  a health official says .
1: people 2: Many family members , across generations 3: Some families in isolated communities