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Home > About Us > Leo Bear-McGuinness

Leo Bear-McGuinness

Science Writer & Editor

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Leo joined Analytical Cannabis in 2019. From research to regulations and analysis to agriculture, his writing covers all the need-to-know news for the cannabis industry. He holds a Bachelor's in Biology from Newcastle University and a Master's in Science Communication from the University of Edinburgh.

Latest content from Leo Bear-McGuinness

Speaking to Both Sides of Oregon’s Cannabis-Aspergillus Testing Debate

One issue has come to divide the state’s legal cannabis industry in recent months: Aspergillus testing. Analytical Cannabis reached out to key figures on both side of the debate to find out why fungi testing has become so fraught.


California Cannabis Regulator Sends Warning Letter to Labs, Announcing Reference Lab Tests

In an email letter sent last week – seen by Analytical Cannabis – the Department of Cannabis Control (DCC) reminded licensed labs that they are “required to accurately report testing results for cannabis batches.”


Psilocybin Helps Treat Depression in Phase 2 Trial

The researchers say their findings add to the growing body of evidence that psilocybin can be used in a clinical setting to treat depression.


Cannabis Consumers Have More Heavy Metals in Their Blood, Study Finds

Cannabis consumers have higher levels of cadmium and lead in their blood than people who don’t consume the drug, according to a new study.


US Health Officials Recommend De-scheduling Cannabis

The US Department of Health and Human Services (HHS) has recommended that cannabis be reclassified from Schedule I to the less restrictive Schedule III within the Controlled Substance Act.


Medical Cannabis Patients at Lower Risk of Developing Cannabis Use Disorder, Study Finds

A significant minority of medical cannabis patients go on to develop cannabis use disorder (CUD), according to a new study. This proportion, however, is still lower than the proportion of recreational consumers with CUD.


Oregon Court Suspends Aspergillus Testing Requirement For Cannabis Products

Cannabis products in Oregon no longer have to be tested for Aspergillus fungi following a suspension order from the Oregon Court of Appeals.


Colorado Regulators Issues Warning About Moldy Cannabis Flower

State regulators in Colorado have issued another health and safety notice after “potentially unsafe levels” of total yeast and mold was found in a batch of cannabis flower.


Cannabis Use at All-Time-High in US, Finds NIH Survey

Cannabis and hallucinogens are more popular than ever in the US, according to an ongoing National Institutes of Health (NIH) survey.


Ohio to Hold ‘Cannabis Election’ in November

Ohioans will have the chance to legalize recreational, adult-use cannabis on November 7 this year.