skip to Main Content
Study: Marijuana Potency Has Tripled Since the 1980s

These potency levels are high.

Marijuana is three times more potent than it was in the ’80s, experts say.

A new study carried out by Andy LaFrate, president of Charas Scientific, a research lab in Colorado, tested the potency in more than 600 marijuana samples from recreational pot merchants and concluded that it’s more potent than illegal pot from past decades.

“We’ve seen a big increase in marijuana potency compared to where it was 20 or 30 years ago,” LaFrate said in a video released by the American Chemical Society. “I would say the average potency of marijuana has probably increased by a factor of at least three.”

LaFrate said that the tetrahydrocannabinol or THC levels — the psychoactive chemical that makes people high — 30 years ago were all under 10%, but now test samples mark THC levels anywhere between 20% and 30%. [Read more at the New York Daily News]

This Post Has One Comment

Leave a Reply

Your email address will not be published. Required fields are marked *

Recent Stories

Some Missouri dispensaries may start selling recreational marijuana Friday

EFFERSON CITY, Mo. — Adults in Missouri could be able to start buying recreational marijuana as soon as Friday. The Missouri Department of Health and Senior Services said that’s when…

Longtime OLCC Director Steve Marks Is Out

Marks put the agency on a strong footing after the rocky tenure of his predecessor. Gov. Tina Kotek has asked for and received the resignation of longtime director of the…

Recreational marijuana sales will begin on Friday in Missouri

The Missouri Department of Health and Senior Services emailed dispensaries across the state Thursday afternoon to announce it will award comprehensive licenses on Friday, the last step before dispensaries can…

First cannabis store with a bar and a bakery under the same roof opens in Illinois

The first store in Illinois to combine marijuana and alcohol sales opened Wednesday in Wheeling, with its owners hoping to make it a place for customers to hang out and…

More Categories

Back To Top
×Close search
Search