Yet more evidence about the usefulness of medical marijuana.
To the topic of the article’s main question “Why are there so many conflicting studies”... because a lot of academic research is biased in funding.
Many studies with negative results were probably funded to “prove that cannabis is not efficient”, which is of course totally different from a study which sets out to find positive results from medical marijuana use. Even if both analyzed the same people, the final papers will be totally different. The weaknesses of current academic funding.
Read: Cannabis and pain: New findings on headaches add a piece to the puzzle
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