CBD for Chronic Pain

The human body contains a specialized system called the endocannabinoid system (ECS), which is involved in regulating a variety of functions including sleep, appetite, pain and immune system response.  The body had neurotransmitters that specifically find to cannabinoid receptors with in the nervous system.   What the research is showing is that CBD significantly reduces inflammation by interacting with the body's neurotransmitters.

​Studies:
One study in rats found that CBD injections reduced pain response to surgical incision, while another rat study found that oral CBD treatment significantly reduced sciatic nerve pain and inflammation 

Several human studies have found that a combination of CBD and THC is effective in treating pain related to multiple sclerosis and arthritis.

An oral spray called Sativex, which is a combination of THC and CBD, is approved in several countries to treat pain related to multiple sclerosis.
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n a study of 47 people with multiple sclerosis, those treated with Sativex for one month experienced a significant improvement in pain, walking and muscle spasms, compared to the placebo group
Another study found that Sativex significantly improved pain during movement, pain at rest and sleep quality in 58 people with rheumatoid arthritis

​https://www.healthline.com/nutrition/cbd-oil-benefits#section1