Marijuana, the most often used illegal drug in this country, is a product of the hemp plant, Cannabis sativa. The main active chemical in marijuana, also present in other forms of cannabis, is THC (delta-9-tetrahydrocannabinol). Of the roughly 400 chemicals found in the cannabis plant, THC affects the brain the most.
Cats 'vibrate' when marking territory-spayed cats can also 'dry' spray. Spayed male cats urine doesn't smell. They swish their tales as a sign of annoyance or anger. If the tip of the tail 'trembles', it's quite often a sign of being 'unsure' about something. Source(s): Cat owner.
A common complaintâand in most cases a relatively benign cause of feline vomitingâis the disgorging of a hairball, a damp, cylindrical wad of undigested hair, moistened by bile and other digestive fluids. It is not uncommon for a cat to expel a hairball once every week or two without any enduring problems.