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CBD Oil Benefits, Uses, and Side effects

Because of the recreational use of marijuana, there is some debate going on about cannabis products such as CBD oil. scientists believe CBD oil has several health benefits and can be used as a natural remedy to treat many conditions. However, awareness of the potential health benefits of CBD oil is increasing.

What is CBD oil?

Cannabidiol, also known as CBD, is a phytocannabinoid in marijuana that occurs naturally in the cannabis plant. It is one of 100 chemical compounds present in cannabis plants “cannabis sativa”. However, CBD does not create an elevated impact, or any intoxication induced by another cannabinoid called THC. The researchers have recognized it for its health benefits and can affect almost any biological process through the endocannabinoid system (ECS). (1, 2)

CBD oil
CBD does not create intoxication induced by another cannabinoid called THC.

CBD oil is neuroprotective

Researchers are looking at a brain-based receptor to understand how CBD can engage individuals with neurodegenerative diseases such as Parkinson’s, Stroke, Alzheimer’s, and Multiple sclerosis. CBD oil can reduce inflammation, which can prevent neurodegenerative symptoms. These claims are because of the anti-inflammatory effects of CBD. That’s said, chronic inflammation is the risk factor for various mental and physical problems. To understand the effects of CBD oil on neurodegenerative diseases, we need a concrete evidence. (3)

Summary: CBD oil can reduce inflammation, which may prevent neurodegenerative symptoms. Researchers are looking at a brain-based receptor to learn more about how CBD can help people with neurodegenerative disorders.

CBD oil may treat cancer

Some studies show the role of CBD in preventing the progress of cancer cells, but the study is still in its earliest stages. The US National Cancer Institute claims CBD can help relieve symptoms of cancer and may also decrease side effects during cancer treatment. The promising effects of CBD in treating cancer is its capability to reduce inflammation and alter how cells reproduce. They believe CBD has the potential to decrease the progression of certain kinds of tumors. As it is mentioned above that these studies are at an early stage, therefore, we need a solid evidence to understand CBD oil as a cancer treatment.

Summary: According to the researchers, CBD can reduce inflammation and change the way cells reproduce. Some research suggests that CBD may be useful in slowing the progression of cancer cells.

CBD is anti-seizure

According to the American Epilepsy Society, cannabidiol study provides hope to treat seizure disorders. In fact, research is underway to better comprehend secure use of CBD oil in the treatment of epilepsy. In one study in 214 epileptic patients, participants added 2 to 5 mg oral doses of CBD per day to their current anti-epilepsy medications. Researchers from the study followed the participants for 12 weeks. Overall, they noticed 36.5 percent fewer seizures each month among participants. In 12 percent of the participants, however, CBD caused serious effects. (4)

Summary: In one study, individuals took 2 to 5 mg of CBD orally per day besides their regular anti-epilepsy drugs. Overall, participants had 36.5 percent fewer seizures each month.

CBD oil can relief the pain

The effects of CBD oil on the receptors of the brain may help in pain management. Studies have shown that after chemotherapy treatments, marijuana can provide pain relieving benefits. Other pre-clinical studies sponsored by the National Health Institutes have also examined the role of cannabis in easing pain induced by spinal cord injuries, arthritis, chronic pain, and multiple Sclerosis. In the United Kingdom and Canada, nabiximols (Sativex), a multiple sclerosis medication produced from a mixture of TCH and CBD, are approved for treating multiple sclerosis (MS) pain. Researchers, however, believe that the drugs made of CBD may contribute to pain management. We need further clinical studies to determine if we should use it for pain management or not. (5, 6, 7, 8, 9)

Summary: CBD oil can ease pain induced by spinal cord injuries, arthritis, and multiple sclerosis. Marijuana may also relieve pain after immunotherapy treatments.

May prevent anxiety

CBD oil can help you coup with anxiety. Researchers think it may alter the way your brain receptors react to serotonin, a mental health-related chemical. Receptors are small proteins that tied to your cells, which receive messages and enable your cells to react to various stimuli. One study found that a 600 mg dose of CBD helped individuals with social anxiety. Other early animal studies have shown that CBD can ease anxiety by decreasing physiological anxiety affects such as increased heart rate, and post-traumatic stress disorder (PTSD) symptoms. In addition, most people are using CBD oil to treat insomnia. (10, 11, 12, 13)

Summary: CBD oil may change the way your brain receptors respond to serotonin, a neurotransmitter associated with mental health. Studies show CBD can reduce physiological anxiety effects such as increased heart rate and PTSD symptoms.

Side Effects

CBD oil may cause side effects in some people, such as diarrhea, loss of appetite and fatigue. It may also cause low blood pressure, dizziness, depression, hallucinations, reaction to other medication, and symptoms of withdrawal. To understand the hazards and side effects that CBD oil, we need more human studies. Studies on the effects of CBD oil are limited. This is because drugs such as cannabis are controlled in many countries and stop scientists because of these barriers. As marijuana is legalizing, more studies will be available in the future. (14, 15, 16)


CBD oil may provide health benefits to people who have Parkinson’s, stroke, insomnia, Alzheimer’s, arthritis, and multiple sclerosis (MS). It can also decrease inflammation and pain by affecting the receptors in brain. However, we need more studies before making a claim whether CBD oil is an efficient therapy for pain and other diseases.


  1. The Biology and Potential Therapeutic Effects of Cannabidiol. National Institute on Drug Abuse. 2015.
  2. Cannabis and Cannabinoids (PDQ®)–Patient Version.
  3. Cannabidiol in patients with treatment-resistant epilepsy: an open-label interventional trial. 2015.
  4. Involvement of serotonin-mediated neurotransmission in the dorsal periaqueductal gray matter on cannabidiol chronic effects in panic-like responses in rats. Psychopharmacology (Berl). 2013.
  5. Cannabidiol reduces the anxiety induced by simulated public speaking in treatment-naïve social phobia patients. Neuropsychopharmacology. 2011.

Terms of Use: The information on this website is provided for educational purposes only and is not intended to provide personal medical advice. If you have questions about a medical condition, consult your doctor or another qualified health provider. Never ignore professional medical advice because of something you have read on this website. The Nutrition Source on this website makes no product recommendations or endorsements.

Naeem Durrani BSc
I am a freelance health and wellness writer. My interests include medical research, and the scientific evidence around effective wellness practices, which empower people to transform their lives.

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