Hemp dog treats are displayed during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
Vendors stnd next to their booth during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
David Goldstein of Potbotics demonstrates a "BrainBot" that determines individual responses to different strains of cannabis during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
Hemp oil products are displayed during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
NEW YORK, NY - JUNE 17: Cannabidiol products are displayed during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. The third annual Cannabis World Congress & Business Expositions features the latest cannabis-related products and resources. The expo runs through June 18. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
An attendee wears a jacket with marijuana leaves printed on it during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
Hemp lip balm is displayed during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
Cannabidiol vapor products are displayed during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
An attendee wears a jacket with marijuana leaves printed on it while visiting a booth during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
A vendor shares a sample of a cannabidiol product during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
David Goldstein of Potbotics demonstrates a "BrainBot" that determines individual responses to different strains of cannabis during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
Attendees visit the Potbotics booth during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City. (Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
An attendee uses a HempVap pen during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City.(Photo by Justin Sullivan/Getty Images)
Cannabis World Congress Expo Held In New York
A vendor shares a sample of a cannabidiol product during the Cannabis World Congress & Business Expo at the Jacob Javits Center on June 17, 2016 in New York City.(Photo by Justin Sullivan/Getty Images)
