Question

How would a brothers who addiction to cannabis at 18 affect a 13 year old sibbling

Answer 1

Answer: He could influence his younger brother to do the same. Also following in the wrong foot-steps.

Answer 2

Influence

Explanation:

younger siblings often lookup to older siblings. that's why parents often suggest to "set a good example" for their siblings. everyone is influenced in a way by everyday things around us especially in our younger ages. so overall it could harm the younger sibling and they could potentially follow their older brothers footsteps.