Question: is this a 2) strong advice, 1) weak advice 0) no advice?

This study replicates our prior findings (Hughes et al, 2008) that a) cannabis users trying to change make many, and often rapid, transitions among use as usual, reduction and abstinence states; b) reduction attempts are more common than abstinence attempts; c) quit and reduction attempts are short-lived and few participants achieve long-term abstinence; d) use of alcohol and illicit drugs does not significantly increase with abstinence; and e) few seek treatment. 
user
This is no advice
assistant