There are different types of oil made from parts of the cannabis plant. Some are sold legally in health food stores as a food supplement. Other types of oil are illegal.
Why people with cancer use it
There are also many cannabis based products available online without a prescription. The quality of these products can vary. It is impossible to know what substances they might contain. They could potentially be harmful to your health and may be illegal.
Research into cannabinoids and cancer
Researchers are looking into Sativex as a treatment for cancer related symptoms and for certain types of cancer.
This is a 6-week randomized, double-blind, placebo-controlled, parallel group design trial followed by an open-label extension phase of 12 weeks, to evaluate tolerability of medical cannabis oil to reduce chronic pain intensity.
Follow-up visits either in person or by phone will be at 1 week, 3 weeks and 6 weeks of treatment.
After baseline documentation with standardized scales, patients will be randomized to one of two parallel groups: