If it’s not handled properly, weed can collect toxins, pesticides, and other harmful chemicals that can have long-term impacts on your health and well-being.

We met up with ProVerde’s CEO and founder Dorian Des Lauriers to hear how his lab tests weed in Massachusetts for harmful contaminants. Using mass spectrometers and powerful microscopes, ProVerde screens weed for bacteria and mycotoxins to make sure your weed is actually safe to smoke.

Celebrate Weed Week with us — watch more of our favorite weed docs: https://vice.video/2JU9VDo

Click here to subscribe to VICE: http://bit.ly/Subscribe-to-VICE

Check out our full video catalog: http://bit.ly/VICE-Videos
Videos, daily editorial and more: http://vice.com
More videos from the VICE network: https://www.fb.com/vicevideo
Click here to get the best of VICE daily: http://bit.ly/1SquZ6v
Like VICE on Facebook: http://fb.com/vice
Follow VICE on Twitter: http://twitter.com/vice
Follow us on Instagram: http://instagram.com/vice
Download VICE on iOS: http://apple.co/28Vgmqz
Download VICE on Android: http://bit.ly/28S8Et0

source