New York has the most cases in the country and a stay-at-home order is in effect until May 15. But as in many other states, medical marijuana program is considered an essential business, and companies can stay open.

New research shows that the amount of cannabidiol found in CBD products can vary dramatically by purchase location, with gas stations faring worse and delivering only 40% of the labeled potency. Fully 60% of items purchased at these retailers had no detectable CBD.