One study of cannabis users found they had a lower risk of bladder cancer, but their risk of developing prostate cancer increased.
There is some evidence that CBD oil could be effective against some rare childhood epilepsies. But again, more data is needed before we can draw any firm conclusions. Studies also show that CBD oil could be beneficial for managing anxiety and insomnia in some people, and early research also suggests a possible use of CBD for the treatment of certain types of pain.
Some cannabinoids inhibit the growth of tumour cells in test tubes and mice, but others encourage growth. Human studies are still small and hard to come by.
Walking along your local high street, you’ve probably noticed shops selling CBD oil, along with all sorts of health claims – including the possibility that it could even be used to combat cancer. But could this be true? Could cannabis really cure cancer? We asked our experts to delve into the research.
Is CBD oil safe?
There is no evidence that CBD oil can be used to treat cancer in people. CBD does show promise for the management of some cancer related symptoms, including pain and anxiety, however, more research into appropriate amounts of CBD and its effects on humans is necessary.
Relatively. The doses sold in UK health stores are generally too low to cause any serious harm. Side effects of CBD include nausea, fatigue and diarrhoea. Most importantly, it can affect certain medications and you should always check with your GP before trying CBD oil. Because CBD oil is freely available to purchase in stores, it is not as tightly regulated as medicines.
The problem with these stories is that it’s difficult to know whether you have all of the facts. It’s impossible to make any kind of judgement without knowing about the type of cancer, other treatment and the person’s medical history.
Can CBD oil be used to treat cancer?
We don’t know yet whether cannabis, or any of the chemicals in cannabis, are useful to treat cancer. But it’s an important topic to discuss. And because we believe in the power of research, we dug into the science to answer some of the top questions you might have on cannabis and its effect on cancer.
This is difficult to answer, as research into cannabis and the chemicals in cannabis is still in its infancy. Most of the research so far has involved work in cells and mice. THC and CBD are two of the main cannabinoids found in the cannabis plant.
There is much about CBD that is still unknown. It has largely gone unstudied because, until 2018, it was considered a schedule I drug by the U.S. Drug Enforcement Administration (DEA). A schedule I drug is a drug that has been declared illegal by the DEA because of safety concerns over its potential for abuse and because there is no accepted medical use for it. Then, in September 2018, the DEA updated CBD’s status to become a schedule V drug. Schedule V drugs have a lower potential for abuse and are deemed to have some medical use.
CBD comes from cannabis plants called hemp that are specifically grown with high levels of CBD and low levels of THC. Cannabis plants grown with high levels of THC are usually called marijuana. CBD comes from oil that is extracted from the cannabis plant. That oil can then be ingested as a liquid, a capsule, a gummy, or inhaled through vaping. It can also be added as an ingredient in such products as lotions and skin patches.
What is CBD?
Yet there’s very little research around CBD and its use in treating people with cancer. Here’s what to know about what CBD is and what science currently shows about whether it’s safe and effective for people with cancer to use.
Can CBD help people with cancer?
To date, no large-scale studies have shown CBD to have benefits for the treatment of people with cancer. Most studies that have been done evaluating CBD as a cancer treatment were in mice or in human cells in the lab. For instance, there are some studies that have shown that CBD inhibits the growth of cancer cells in mice with lung cancer or colon cancer. Another study showed that CBD, together with THC, killed glioblastoma cancer cells in the lab. However, no studies have been conducted in people with cancer.