Assessing the Opioid Crisis in the United States.

How widespread is this crisis? What are the national statistics on opioid use?
Using research data, determine the states and populations most affected and the reasons for the rise of this crisis.
How does the national data on opioid use compare to data from your own city of Riverside, California? If there are any differences, what can they be attributed to?
Based on your understanding thus far, what could have attributed to the rise of opioid addiction in Anytown?