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10% Happier with Dan Harris

The Science of Cannabis: Does It Help or Hurt With Anxiety? Is It Addictive? What's the Safest Way To Use It? | Dr. Riley Kirk

10% Happier with Dan Harris

10% Media, LLC

Health & Fitness, Mental Health

4.612.2K Ratings

🗓️ 8 December 2025

⏱️ 76 minutes

🧾️ Download transcript

Summary

Everything you want to know about cannabis, but were afraid to ask.

 

Dr. Riley Kirk is a cannabis research scientist and educator with a Ph.D. in pharmaceutical sciences, specializing in natural product chemistry. Her new book is Reefer Wellness: Understanding Cannabis Science, Culture, and Medicines.

 

In this episode we talk about:

  • The endocannabinoid system – and how it works in the body
  • The science-backed health benefits of cannabis
  • The risks of cannabis use – including questions about psychosis, schizophrenia, and specific risks for adolescents
  • The fascinating history of the cannabis plant 
  • The criminalization, racism and propaganda machine within that history
  • The legality of cannabis now in the US
  • Different modes of use
  • Where to source your products
  • And much more



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Transcript

Click on a timestamp to play from that location

0:00.0

This is the 10% Happier Podcast. I'm Dan Harris.

0:19.0

Hey, hey, how we doing, everybody? As somebody who's had anxiety since sentience, I am both intrigued by and very scared of cannabis. As you'll hear me say in this interview, my first panic attacks ever were when smoking weed as a teenager. And yet, there appears to be some evidence that there are cannabis

0:38.2

products that can really help with anxiety. So I was really excited when my team suggested

0:42.9

today's guest, Dr. Riley Kirk, who is sometimes described as a radical scientist because

0:48.0

she not only studies cannabis, but also uses it herself. This interview is kind of an everything

0:53.9

you wanted to know about cannabis,

0:55.3

but we're afraid to ask type deal. We're going to dive into the science of whether it helps with

0:59.6

chronic pain, sleep, inflammation, seizures, productivity, creativity, and of course, anxiety.

1:05.8

We're going to talk about the risks of addiction and schizophrenia and panic. We're also going to

1:09.8

talk about how exactly cannabis works in your body, which is fascinating.

1:14.1

Before we dive in, just a little bit more on my guest.

1:16.0

Dr. Kirk earned her PhD in pharmaceutical sciences with a focus on natural product chemistry.

1:22.7

And she's written a new book.

1:23.7

It's called Reefer Wellness, a takeoff on the movie I used to watch when I was a teenager,

1:28.4

Reifer Madness. Today's episode, I should say, comes with a custom guided meditation guided by my

1:34.2

friend and favorite Canadian weirdo, Jeff Warren. Suffice it to say, this meditation is sobriety

1:39.6

optional. It's called Not Your Grandma's Body Scan. You should check that out.

1:44.9

You can access all of our guided meditations if you sign up over at Dan Harris.com.

1:48.8

Membership also gets you access to our weekly live meditation and Q&A sessions, which we do every Tuesday at 4 Eastern.

1:55.8

Jeff and I will be live tomorrow, Tuesday, December 9th.

2:00.2

Okay, we'll get started with Dr. Riley Kirk, the radical scientist, right after this.

2:05.6

I chose function because it's the only health platform that gives me data most people never get

...

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