The Health Benefits of Medicinal Pot-What’s the Hype?

Marijuana is widely used, especially in adolescents and young adults. In the US, there are about 20 million users (about 7.5% of people aged 12 or older).smoking medicinal marijuana

Marijuana is a mind-altering (psychoactive) drug. Similar to hemp, it comes from the cannabis plant. The plant’s primary drug effects come from the chemical delta-9-tetrahydrocannabinol, or “THC.” Marijuana is smoked, “vaped” (inhaling the vapor), or ingested in foods or teas. Over the last few decades, the concentration of THC in the cannabis plant has been increasing. In addition, the plant extracts are more potent.

Short-term effects of marijuana

Marijuana is often used for its “high,” and can make people feel more relaxed, alter the senses, and cause time distortion. It can also impair thinking, judgment, coordination, and memory. In some people, it may lead to paranoia or anxiety. Physical effects may include bloodshot eyes, dry mouth, slurred speech, and increased heart rate.addict


These sensations may last up to four hours after inhaling marijuana smoke, or up to 12 hours if consumed, though performance impairments may last for much longer.

Long-term effects of marijuana

Smoking marijuana can irritate the lungs and lead to breathing problems like cough, excess mucus, bronchitis, and worsening of conditions like asthma and cystic fibrosis. It is not clear if smoking marijuana is linked to lung cancer. Marijuana use during pregnancy can also harm a baby’s brain development.

We are learning more about the long-term effects of marijuana, and this leads to even more questions as we realize there is a lot we don’t know. What is clear is that some of the long-term effects correspond to heavy use. However, heavy use is difficult to define given the nature and limitations of past studies, the different ways marijuana and its extracts are used, and the shifts in THC concentration in cannabis.

The biggest health risks appear to be in those who start using as teenagers or young adults when their brains are still developing. In youths who use heavily, studies have shown deterioration in their learning and cognitive thinking that persists into adulthood, even after they have stopped using marijuana. There also appears to be a link between marijuana use and certain mental illnesses. Though most marijuana users will not develop dependence and addiction, it is more common in teenage users.

Medical benefits of marijuana

Medical use of marijuana (“medical marijuana”) is somewhat controversial. In the United States, current FDA approved medications containing synthetic THC are dronabinol (Marinol capsules, Syndros liquid) and nabilone (Cesamet). These drugs are prescribed as appetite stimulants in AIDS patients and for chemotherapy-related nausea and vomiting. They are sometimes used off-label for similar symptoms in other conditions. An oral spray nabiximols (Sativex) is approved in other countries for treatment of multiple sclerosis muscle spasticity and cancer-related pain not managed by other pain medication, and is undergoing further evaluation in the U.S.

Although marijuana can help relieve the symptoms of certain medical conditions, its use is still illegal on a federal level, and because we don’t have data from large, long-term, well-designed studies, the FDA continues to have concerns about potential risks versus benefits. Fortunately, studies continue on marijuana, THC, and cannabidiol (a component of marijuana which does not have the mind-altering effects of THC). Early research shows cannabidiol and its derivatives hold potential promise in additional conditions like drug-resistant epilepsy and some psychiatric disorders (e.g., anxiety, substance use disorders, schizophrenia, and psychosis).

Some countries  have passed laws to allow the use of marijuana for medical conditions. It is unclear what health impact decriminalization of marijuana would have. The experiences of  countries that have made these legal changes were varied and unpredictable. The greatest threat would be an increase in adolescent use.

Be cautious if you use marijuanagorilla-rolling-joint

In the meantime, if you do use marijuana products, do not do so before driving or operating other heavy or dangerous equipment, and stop if you are pregnant. Talk to your doctor about the safety of continued use if you have a heart or lung condition, or are concerned that you might have developed an addiction. Avoid products that are packaged as candy or other edibles if there are children in your household who are more susceptible to a toxic overdose. And talk to your kids about the potential hazards of marijuana, because the risks are particularly high in young people.


Feel free to leave a comment or ask a question.

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6 thoughts on “The Health Benefits of Medicinal Pot-What’s the Hype?

  • August 4, 2017 at 11:05 pm

    Interesting. In Germany they were just recently discussing to completely legalize marijuana…

    • August 6, 2017 at 11:05 am

      Thanks for the comment. I think given time, legalization will be a worldwide entity.

  • August 4, 2017 at 4:12 pm

    Hi Brad –

    Great post! I;d like to have more information on the medical benefits of marijuana. I used to live in Oregon where it was legal for recreation use but now I live in Arizona where you can only use it if you have a medical card. I’ve heard great things about the long-term effects – some say it even prevent certain types of cancer!

    Thanks for your information and I look forward to seeing more from you.

    • August 4, 2017 at 4:21 pm

      Hey Kevin
      Thanks for the reply and comment.
      I live British Columbia, Canada where marijuana is not yet legal. Medical Marijuana is available but only with a prescription from your doctor. I personally use medicinal marijuana as an alternative to opiods for my back troubles.
      Even though it is not legal in Canada as yet-supposed to come into law July 2018-in BC there are literally dozens and dozens of dispensaries that are set up and selling. Seems like a blind has been turned to these business’s operating, although a few rules have been imposed as to location, nearness to schools, etc which are enforced. But right now, there is no liscence that is required nor any proof of being an “approved” dispensary.
      I not read anywhere about it curing cancer, but I know from many people that it sure does reduce the effects of medications and chemotherapy.
      Thanks again for the input and be sure to look back for more.


  • August 4, 2017 at 3:28 pm

    I can see how the FDA is cautious because most reported benefits are anecdotal, even if they are sincere. If they need legitimate studies, they should create them! I know there is a catch22, how do you do studies with an illegal substance? Even thou marijuana has been used since the dawn of time, it is difficult to move these governing bodies. How does a single individual, like myself, foster change?

    • August 4, 2017 at 4:27 pm

      I hear you Judith. It certainly has come a long way since I was growing up. The sneaking, the fear of getting caught and the thrill of being able to score!!
      Today, however marijuana is so mainstream that if you meet anyone who is not familiar with the product they must be living in a box.
      I think the best way to foster change is to be responsibly vocal about, learn about it and if using, to use just as responsibly.
      A single voice can be heard by many, and the many bring it to the forefront for legislation.


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