meta_pixel
Tapesearch Logo
Ben Greenfield Life

Can Weed Really Shrink Your Brain?

Ben Greenfield Life

Ben Greenfield

Education, Fitness, Self-improvement, Health & Fitness

4.65.2K Ratings

🗓️ 21 November 2015

⏱️ 64 minutes

🧾️ Download transcript

Summary

A few weeks ago, I talked on this podcast episode about whether THC can cause damage to the grey matter in your brain.

But, frankly, I spent very little time addressing the matter on that particular show, so in today's episode, I'm revisiting the topic of THC, brain damage, liver damage, myths about marijuana, CBD, smart drugs, nootropics and more with Dr. Andrew Hill, Lead Neuroscientist at truBrain, and one smart cookie.

During our discussion, you'll discover:

-Why left-handed people are more sensitive to chemical stimulants...

-The truth behind the evidence that THC can shrink the brain...

-The important differences between THC and CBD...

-How Dr. Hill can "reset" tolerance to marijuana using neurofeedback in his clinic...

-If there is a deleterious effect of THC on the liver or other organs...

-How to map your brain and change your brain using neurofeedback...

-Little known smart drug ingredients such as oxiracetam and centrophenoxine...

-And much more, including a killer giveaway at the end of the show!

Resources & studies cited in this episode:

Decreased grey matter but increased connectivity (not controlled for SES):
More recent and much larger study that failed to find grey matter volume changes:
And a summary of another study that found decreased volume, and the two studies that refute this:

-Alternatives Brain Institute -Pocket Neurobics -Heart Rate Variability (HRV) Training -TruBrain drinks and capsules (use code BEN to save 50%) -Previous episode with Dr. Andrew Hill on smart drugs vs. nootropics -Water soluble CBD Do you have questions, comments or feedback for myself or Dr. Andrew Hill? Leave your thoughts at BenGreenfield.com and one of us will reply.

Transcript

Click on a timestamp to play from that location

0:00.0

Hello, this has been Greenfield.

0:03.2

Today I want to tell you about the Truman set.

0:06.6

No, I'm not talking about the president.

0:08.4

I'm talking about stuff that you've shaved with.

0:10.9

There is this website, it's called Harry's.

0:13.5

You can check it out at harries.com.

0:15.7

And one of the things that they have over there

0:17.5

is something called their Truman set.

0:20.4

And this is actually what I personally use to shave.

0:23.1

You get this really cool ergonomically handled blade

0:26.8

with actual shaving edges on it

0:30.0

that were designed in a German engineered blade factory.

0:34.8

Really cool stuff.

0:35.8

It just feels amazing when you hold the shaver.

0:38.0

You don't even have to shave.

0:39.2

You can just stand there and hold it.

0:40.8

And you'll feel that much more complete

0:42.7

just standing there looking at yourself in the mirror,

0:45.4

holding your Harry's razor.

0:47.4

But you should also shave at some point with it

0:49.5

because it is amazing.

0:51.9

So I do shave with this thing, not every day

...

Transcript will be available on the free plan in -3419 days. Upgrade to see the full transcript now.

Disclaimer: The podcast and artwork embedded on this page are from Ben Greenfield, and are the property of its owner and not affiliated with or endorsed by Tapesearch.

Generated transcripts are the property of Ben Greenfield and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.

Copyright © Tapesearch 2025.