Because both impair a person's motor functions so they end up more clumsy and don't have any sort of filter to make them stop making bad decisions.
Answer:
What keeps us happy as we go through life? ... Good relationships keep us happier and healthier. It turns out that people who are more socially connected to family, to friends, to community, are happier. They're also physically healthier and they live longer than people who are less well connected...
_Askmeanything2♡
A is correct! It is a true fact as well! Mark if correct!