Did Marijuana Kill This Man? Doctors May Never Know for Sure

Image: Michael Ziobro
Michael Ziobro, 22, of Springfield, New Jersey, died in April 2017 from a heart arrhythmia his parents fear was caused by marijuana use.Ziobro family

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/ Source: TODAY.com

Michael Ziobro's parents believe strong marijuana killed him. But there may be too little evidence on the safety and benefits of cannabis to ever say for sure.

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