Stanford PhD, Dr. Beverly Potter (goes by “Doc Potter”), author of Cannabis for Seniors, a book designed to educate seniors about marijuana so they can safely enjoy its therapeutic qualities. Is Marijuana Toxic To Pets? Plus More Cannabis Questions Answered: With marijuana legalization initiatives sweeping the U.S. – from recreational use to medical to President Donald Trump signing the Farm Bill into law, legalizing hemp – you’re bombarded with information about cannabis. But what’s true and what’s not? What exactly is that CBD oil you keep getting emails about? Should you cook with marijuana? How much is too much? Will weed smoke hurt your pets? What is the difference between CBD and THC? Fearful of getting addicted? How can you safely use cannabis for pain relief?