An FDA panel just recommended reducing the maximum dose of acetaminophen, the active ingredient in Tylenol. Taken by millions of Americans every day as either a stand-alone medication or as an ingredient in various over-the-counter cold remedies, acetaminophen is the leading cause of liver failure in the U.S., resulting in hundreds of deaths by overdose every year. And they say marijuana is too dangerous to be medicine?

Medical marijuana advocates often hear that marijuana can't be a real medicine because it hasn't been approved by the FDA. One common response to this is that the Drug Enforcement Administration continues to block the only avenue that could produce the research needed to seek FDA approval for medical marijuana, over a year and half after an administrative law judge ruled that the project should go ahead.  But that's just the start. The Journal of the American Medical Association recently published…