Medical Marijuana and Cancer: Can CBD Oil Shrink Cancerous Tumor?

The use of marijuana for cancer treatment is not new. Marijuana has taken the medical world by a storm thanks to CBD, a chemical compound with numerous health benefits. The use of medical marijuana is now everywhere. This is because it is an affordable and effective form of alternative medicine. Additionally, it a natural substance which is free from synthetic chemicals. But can CBD oil in marijuana help to shrink cancerous tumors? And if so, what are some of the methods that you can use to take CBD oil?

What are Cancer Tumors?

They are groups of abnormal cells which grow to form lumps. Cancerous tumors behave and grow differently. They can occur on any part of the body. These tumors normally break away and then travel and spread to different parts of the body via the blood or the lymphatic system.  The original tumor is the primary tumor while the new tumors are the metastases.

How Marijuana/CBD Oil Fights Cancer

Marijuana contains CBD and THC. These are the most popular and effective cannabinoids. Both THC and CBD interact with the endocannabinoid system in the human body which consists of receptors, CB1 and CB2 receptors. CBD is the main compound in marijuana which helps to shrink cancerous tumors.

To start with, this chemical compound has anti-proliferative properties. CBD has the ability to inhibit invasive growth, as well as the metastasis effects, of cancer. It slows down, reverses, and in some instance prevents the overall proliferation of cancer cells. The Pro-apoptotic property of CBD also makes it effective in killing the cancer cells. Apoptosis means preprogrammed cell death. CBD causes cellular death of the cancer cells by inducing a reactive species of oxygen. Lastly, it has anti-angiogenic properties. This is a process that involves the inhibition of the formation of new blood vessels which promote the growth of cancerous tumors.

Benefits of Using CBD Oil to Treat Cancer

Studies show that marijuana is generally effective in treating cancer. If you use it per the recommendations, there are high chances that you may experience significant changes. Some of its benefits in cancer treatment include:

Reducing Pain

Taking CBD Oil can help to ease pain from the cancer tumors. This compound has the ability to bind the cannabinoid receptors in different parts of the body and the brain. Note that cancer treatments such as chemotherapy often lead to nerve pain. So, this compound soothes nerve pain and reduces inflammation.

Nausea and Vomiting

One of the side effects of chemotherapy is nausea and vomiting. CBD, for instance, has the ability to soothe digestive irritability. Currently, there are CBD-based drugs which the FDA approves for use in treating nausea and vomiting. They include dronabinol and nabilone.

How to Qualify for Medical Marijuana

There are some diseases that qualify for medical marijuana and cancer is one of them. However, the qualification depends on the state you are in. Currently, more than 20 states in the US approve the use of medical marijuana for cancer treatment. To ensure you are on the safe side, you should consult with your health care provider to determine if you qualify for medical marijuana.

Different Ways of Taking CBD Oil

There are different ways which cancer patients can use to take CBD oil.  The overall goal is for them to experience the significant benefits of this marijuana compound. Some of the most common ways of CBD intake include?


This is one of the most effective ways of taking CBD. You need to have a vaping pen and vaping oil. Vaping is better than smoking because it does not aggravate the throat and lungs. Additionally, it provides high CBD concentration for maximum possible benefits.

Sub-lingual Application

This involves taking CBD oil tinctures. With the sub-lingual application, you need to place several drops of CBD under the tongue. Sub-lingual application allows you to control how much CBD you want to use. Additionally, it offers convenience and discreetness.


It’s a fun and enjoyable way of taking CBD oil. CBD edibles consist of substances such as lollipops and gummy bears. This is a unique way of taking this marijuana extract because the edibles usually pass through the digestive system first.

Other ways of taking CBD include the use of capsules and pills. You can also apply it topically by using cream, lotion, or a balm. Generally, the mode of intake depends on what the patient wants and the severity of the disease.

Why Patients Shouldn’t ‘self-medicate’ with Marijuana?

There are some instances where doctors deny cancer patients medical cannabis. However, some of them usually go ahead and self-medicate. Other people may even decide not to consult with their doctors at all. However, self-medication is not right. As a cancer patient, you shouldn’t do this because of:

Medical Interactions

Marijuana has potent compounds which are extremely powerful and effective. Deciding to self-medicate may cause drug interactions. This may lead to negative side effects and even make cancer symptoms worse.

Wide Variety of Strains

Marijuana is a plant which has hundreds of strains. At the moment, there are still on-going studies about these strains and their effectiveness in treating cancer. So, if you decide to self-medicate, you might end up using the wrong type of strain. Most people who decide to self-medicate normally us strains with high THC content which is not effective in managing symptoms of cancer.

Incorrect Dosage

The marijuana industry is not under any universal regulation. As much as there are rules that govern the growing and use of this plant, there is no universal rule regarding the correct dosage. This means that patients have to use trial and error in order to get the right dosage.

Lack of proper universal dosage poses a threat to the overall health of the consumer. For instance, a patient may mistakenly take a high dose of CBD. As a result, they may end up experiencing unwanted side effects.

CBD Oil Exists in Various Forms

Cannabis products exist in many forms.  There is CBD oil, edibles, topicals, and tinctures. As much as a cancer patient may use any mode of intake, each form has its own cons and pros. for instance, some tinctures contain alcohol. If you are going to ingest edibles, it takes up to four hours in order for the effect to kick in. Lastly, the effects of topical are usually short-term.  It’s important to note that one form of CBD may be effective in easing pain in one patient and not effective to the next.

CBD Oil Has Side Effects

This is another good reason why self-medication is not good. A cancer patient who decides to self-medicate may end up suffering from the adverse side effects of marijuana. Some of the mild side effects that you may experience include drowsiness, fatigue, and red eyes. There are more severe side effects which the patient may end up experiencing. They include psychosis, paranoia, anxiety, digestive discomfort, headaches, and migraines among others.

The Effectiveness of Medical Marijuana in Treating Cancer

There are several factors which determine the effectiveness of medical marijuana. Human beings are different. And as a result, we have different metabolic systems. This means that the effectiveness of medical marijuana varies from one person to the next.

Besides that, there are other factors that determine the effectiveness of medical marijuana. How you take CBD matters. If you want an instant effect, then you should take it sublingually and via vaping. Taking edibles takes much longer to produce positive effects. The quality and type of marijuana matters. CBD-rich strains are the most effective in easing symptoms of cancer.

Your weight and overall mass are also important. People with large body mass need to take more CBD oil for them to experience its effects. Lastly, the type and stage of cancer are important in determining the effectiveness of medical marijuana. A tumor that has spread in nearly all parts of the body is difficult to manage.


There are multiple evidence which suggest that marijuana is an effective alternative medicine. It contains compounds which have anti-inflammatory and antioxidants. Overall, it can be effective in treating a wide range of health issues. The CBD compound in cannabis has the ability to shrink cancer tumors. This chemical compound contains anti-proliferative, pro-apoptotic, and anti-angiogenic properties. They help to prevent the invasive nature of cancer cells, cause cellular suicide, and prevent the formation of new blood vessels which support the growth of cancer tumors.

However, it is important for cancer a patient to first discuss the use of medical marijuana with their doctor first. This is because CBD exists in many forms. Additionally, marijuana also has health effects. So, it’s important to exercise caution.



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