A licensed San Francisco pot shop sold a cannabis vape cartridge that contained a banned pesticide, potentially putting consumer health at risk and breaking state law, according to an SFGATE ...

Vape pens are the e-cigarettes of the pot world. But marijuana concentrate, which users load into the vape pen, is dangerously potent. (This story originally aired on April 18, 2014.) ...

An armed guard is watching. Inside several glass cases, you will find recreational marijuana (aka pot, weed etc.). It’s available in forms that you can eat, drink, smoke or vape.

Vape pens are the e-cigarettes of the pot world. But marijuana concentrate, which users load into the vape pen, is dangerously potent. (This story originally aired on April 18, 2014.) ...