Welcome back to The Week in Weed, your Friday look at what’s happening in the world of legalized marijuana.

California, Oregon and other marijuana-friendly states are seeking a meeting with U.S. Attorney General Jeff Sessions in hopes of resolving the conflict between federal and state laws that has left the nation’s cannabis industry in legal limbo.

The chief executive of one of Canada’s largest banks said it would weigh financing cannabis companies after legalization takes place later this summer. TD Bank CEO Bharat Masrani said the Toronto-based financial institution is studying the issue, and any potential clients in the cannabis industry should have a presence only in countries where recreational or medical cannabis remains legal on a federal level, according to the Canadian Press.

Experts have proposed using medical marijuana to help Americans struggling with opioid addiction. Now, two studies suggest that there is merit to that strategy.