About

Cannabidiol (CBD) is a phytocannabinoid discovered in 1940. It 

 

is one of 113 identified cannabinoids in cannabis plants, along 

 

with tetrahydrocannabinol (THC), and accounts for up to 40% of 

 

the plant's extract.[14] As of 2019, clinical research on CBD 

 

included studies related to anxiety, cognition, movement 

 

disorders, and pain, but there is insufficient high-quality evidence 

 

that cannabidiol is effective for these conditions.[15][16]