Too Much Marijuana: Warnings from Colorado

Mark Hake

Colorado's government website on cannabis now warns about the immediate health effects of using marijuana, especially with edibles.

It says that in addition to the relaxed "high" effects, users could experience 11 other health effects. These include:

  • Slower reactions and hand/eye coordination.
  • Distorted perceptions of time and distance.
  • Trouble thinking, learning, and remembering.
  • Anxiety, panic, or paranoia.
  • Faster heart rate.
  • Increased blood pressure.
  • Less interest in normal activities.
  • Increased appetite.
  • Dry mouth.
  • Red eyes.
  • Psychosis — seeing or hearing things that aren't real (more common with higher doses of THC).

The latter builds on a recent study by a Danish research group.

This was highlighted in a recent NewsBreak article on May 7: "Too Much Marijuana Can Make You Schizophrenic, According to New Danish Study - But Many Pot Users Probably Know This."

In fact, the Colorado government website says this:

"The symptoms of using too much marijuana are similar to the typical effects of using marijuana but more severe. These symptoms may include:

  • Extreme confusion, anxiety, panic, or paranoia.
  • Fast heart rate.
  • Hallucinations or delusions.
  • Increased blood pressure.
  • Severe nausea and vomiting."

Colorado warns drivers to not drive high.

Edible Issues with Cannabis

It also says that many have been admitted to emergency rooms for using too much cannabis. They may have thought marijuana was a product that could be consumed as regular food.

For example, Colorado says many have used edible cannabis products without understanding how much THC content was in the product.

In fact, so many people have consumed too many cannabis edibles that the Colorado government has set up a separate website: "Safety with Edibles."

For example, one common problem is that many have consumed more edibles than they should have. This was because they didn't feel the cannabis effects right away as they were eating the edibles.


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Mark R. Hake, CFA, writes articles on national and local news, stocks, and market events at,,, and as well as TalkMarkets.

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Mark Hake is a financial analyst, investor, and Chartered Financial Analyst (CFA). He writes about US and foreign stocks as well as cryptos, hedge funds, and private equity. He previously ran his own hedge fund, investment research firm, and acted as CFO for a fintech startup. He focuses on finding value, arbitrage, and hidden asset opportunities.

Phoenix, AZ

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