Cannabis Really Has Changed Significantly Since Today's Parents Were Teens

<img width="128" height="52" src="https://www.sciencealert.com/images/2024/04/cannabis_bud_hand.jpg" alt="cultivated marijuana bud and leaf"/>
What do we know?

https://www.sciencealert.com/cannabis-really-has-changed-significantly-since-todays-parents-were-teens