Many people have extolled the benefits of medical marijuana. From decreasing inflammation to helping with nausea to treating chronic pain, the drug is prescribed to many people for a variety of ailments. But some say the science defending medical marijuana may not be so solid.

The science-focused magazine Cosmos recently posted an article about the bad science used to justify medical marijuana. It begins talking about Dedi Meiri, a cannabis researcher in Israel, telling the magazine that based off his studies, he does not support using the drug medicinally. 

“I am reluctant to tell people I work on medical cannabis,” Meiri told Cosmos. “I am not pro-cannabis; I think 90% is placebo.”

The magazine says the biggest issue with using marijuana medicinally is variety. Every strain of cannabis has different compounds and chemicals in it that makes it different from other versions of the drug. While one strain may help someone with their chronic pain, another may do nothing all together. 

Cosmos also says that the "benefits" that are often discussed with different kinds of marijuana have almost no clinical evidence supporting them. While many believe CBD is effective at treating anxiety, it's mostly based on anecdotal evidence. Very little scientific and clinical trials exist to justify it. 

The magazine also notes that while it's necessary for more controlled studies to begin on medical marijuana, it's nearly impossible to do so, particularly in the United States. Researchers must operate within the confined mandates established by the DEA for how much cannabis they can use, which often leads to imperfect studies. 

This isn't to say that medical marijuana is actually useless. It just means there are few scientific studies proving its usefulness. For some people, it may work wonders while others it may do nothing at all. As always, more research is required before we can 100 percent know how effective the drug is for everyone.

To read the full article about this topic, head over to Cosmos