New scientific findings are challenging the popular belief that cannabis is a natural, harmless miracle cure.
Here are ten revelations that might just change how you see the plant.
Cannabis doesn’t always relieve pain effectively
Although many turn to cannabis for pain relief, recent studies suggest its effects may not be as reliable as once thought.
Research indicates that perceived relief is often due to the placebo effect, and cannabinoids rarely reduce pain to a clinically meaningful extent.
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It’s not as harmless as it seems
While cannabis may not be as deadly as opioids, today’s stronger strains pose serious risks.
High THC levels increase the likelihood of experiencing paranoia, psychosis, and addiction, making modern cannabis far from a safe option.
A rare but severe syndrome is on the rise
Cannabinoid Hyperemesis Syndrome (CHS) is becoming more common among long-term users. This condition causes intense vomiting and abdominal pain.
In the U.S., hospitalizations due to CHS have doubled in just four years. The only effective treatment is stopping cannabis use altogether.
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Cannabis use strains the heart
THC negatively affects blood flow, raising the risk of heart attacks and strokes.
One study shows cannabis users face a 25 % higher risk of heart attacks and a 42 % increased chance of strokes – especially when smoked.
Strain names might be meaningless
Terms like “indica” and “sativa” dominate the market, but studies reveal these labels have no real genetic or chemical basis.
This misleads consumers into making choices based on expected effects that may not be backed by science.
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Mental health impacts are real
Evidence links cannabis use to a higher risk of psychosis, especially for young users.
Starting early can double the chances of developing psychosis later in life.
Interestingly, there’s no consistent link found between cannabis and depression.
Addiction is more common than you think
Daily cannabis users face a substantial risk of becoming addicted. Estimates suggest that 25–50 % of daily users develop a dependency.
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Withdrawal symptoms like irritability and sleep issues can appear after just two weeks of daily use.
It’s unclear if it truly helps with cancer pain
While cannabis can reduce nausea and vomiting from chemotherapy, there is limited evidence that it eases the actual pain caused by cancer.
Approved medical cannabis products are synthetic and differ from natural cannabis, adding to the uncertainty.
Poor regulation puts users at risk
The cannabis industry suffers from a lack of standardization. Without consistent regulation, users often don’t know what they’re consuming.
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This lack of oversight leads to unpredictable effects and questionable therapeutic value.
We still don’t know enough
Despite decades of use, there’s a major gap in comprehensive cannabis research.
These latest findings highlight how much remains unknown – and why caution is crucial until clearer evidence emerges.
This article is based on information from National Geographic and Sundhed.dk.