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  • Is CBD is a type of cannabinoid?
    Ok, so let's get the complicated, science bit out of the way first. CBD, otherwise known as Cannabidiol, is one of over 100 compounds in the cannabis plant called Cannabinoids. The most abundant is THC, the bit that gets people high, after that comes CBD. What makes CBD particularly interesting (and legal) is that it doesn't have the same intoxicating effect, but has been found to be anti-inflammatory, reduce seizures in cases of epilepsy, help with anxiety, and treat chronic pain. It is mostly consumed in oils, extracts and crystals.
  • Is CBD good and THC is bad?
    Because CBD doesn't create a high, it's been labelled 'the good' cannabinoid and THC the 'bad'. But in countries where medical cannabis is legal, THC can be prescribed for cancer patients going through chemo as it eases nausea and improves appetite. Preclinical studies also indicate that THC kills certain types of cancer cells. But interestingly, if you combine both cannabinoids together, CBD actually reduces the psychoactive effect of THC.
  • How does CBD interact with the body?
    So, you may not know it, but everything from sea squirts to humans have an endocannabinoid system - a vast network of receptors and cannabis-like chemicals (endocannabinoids) that regulates vital functions such as sleep, appetite, mood, memory, inflammation and reproduction. Sometimes this system can become depleted and scientists believe this may contribute to certain illnesses. Research shows that taking CBD creates higher levels of our own endocannabinoids, helping the body to restore balance again.
  • Is there any proof that CBD works?
    While until now, most of the scientific research has been preclinical, there have been a number of human, clinical trials carried out on CBD. So far it has been shown to reduce episodes of schizophrenia and be effective at easing social anxiety. But the most extensive research on human subjects has been into treating childhood epilepsy. There have been a number of clinical trials, including by British company GW Pharmaceuticals, who have developed a CBD based drug called Epidiolex, trialled with success on children with a rare form of epilepsy at Great Ormond's Street Hospital in London.
  • Is CBD a medicine?
    In the UK it has been possible to buy CBD as a nutritional supplement. But last October, the Medical Healthcare Regulatory Agency decided to recognise CBD's therapeutic benefits and reclassify it as medicine. In effect this means that at some point in the future, CBD may have to go through the same rigorous, double blind, placebo trials as other medicines. However, in the meantime while it is under review, CBD can still be bought as a nutritional supplement, but this may change in the future.
  • If CBD is so good, why not just make a synthetic version?"
    Good question. After all that's what's been done with aspirin and morphine right? The thing is that in the case of cannabis, scientists have found that there is a kind of synergy between all the active compounds, so that the whole is greater than the sum of all the parts. It's been called the entourage effect. But using the whole plant is of little interest to pharmaceutical companies who prefer single compounds or synthetic versions that can be patented.
  • Does CBD come from hemp?
    Like me a few months ago, you probably have no idea about the difference between hemp and cannabis. Basically they are the same plant, only hemp contains next to no levels of THC (less than 0.2%), but is abundant in CBD. However, hemp's wonders don't end there. When planted, it can absorb toxins from the soil and has even been used to clean up ground contaminated by industrial pollution. So make sure you choose an organic source, so that your CBD is free of heavy metals and pesticides.
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