More than half of those surveyed said it helped them to reduce their use of other pain medications.
The guidelines were prompted by concerns that cannabis can potentially interact with anaesthesia.
Home Office officials have acknowledged that the current regulations may be holding back research.
The study found that decriminalisation was not associated with a notable increase in traffic accidents.
Patients experienced an improvement in symptoms and quality of life when prescribed cannabis.
A 20-year US study shows alcohol abuse is declining while the consumption of cannabis edibles is on the rise.
Researchers believe a deficiency in anandamide could be one of the potential causes of bronchial asthma.
An Australian study appears to have uncovered a more sustainable way to cultivate medicinal cannabis, while reducing costs.
The clinical trial has received approval from Israel's Ministry of Health.
Unlike previous studies, they will examine sex-dependent differences in THC effects.
