A class-action lawsuit alleges that the company has fired more than 20,000 employees older than 40 in the last six years.

What's more, numbers show that medical costs have actually declined from 6.5 percent to about 5.3 percent leading into 2019.

One of the most important pieces of leverage employers have in this fight against opioid addiction is their role as employee benefits purchasers.

According to the state, AbbVie paid for registered nurses that it called ambassadors to help doctors with patients who were taking Humira.