How to Stop Toxic Thoughts from Poisoning Your Brain
According to Dr. Caroline Leaf, communication pathologist, toxic thoughts are like poison or abscesses … they have that effect in the brain.

Captured From: LifeToday.org
While holding an actual photo of the brain, Dr. Leaf, pointed out a very toxic memory. It was a dark black one that looked like a tree with many, many branches. She explained that toxic memories have all the wrong chemicals and they cause a toxic reaction in the body.
Dr. Leaf, from Johannesburg, South Africa, has researched the human brain since 1981, and she spoke on Life Today recently about controlling our thought life and eradicating toxic thoughts. She says there are two points where we can actually control how a thought affects our life.
The first and most advantageous point of control is when the thought is initially introduced to us. It’s at that point that we can make a decision to accept or reject the information. It was also interesting to me to hear Dr. Leaf explain how this process of free will was built right in to us through genetic code by the Creator Himself.
There is a point in your brain called the “free will” and it is a genetic structure, there is genetic code. You can use that free will to accept or reject that incoming information. So if you are controlling your thought life, you don’t have to just receive all of this input that is coming in from the outside world, from the media, from external and also from your internal world; we’ve got a lot of existing toxic memories in our head, everything from birth to death is stored in your brain. So you’re going to have information coming from the outside, information from the inside and it all meets at this point of the free will in the brain. You can make a decision at that point to accept or reject that information. If you decide this is not good for me and you actually analyze that thought and say, this is not good for me, this is not healthy. You can reject that thought and it goes out and becomes heat energy. It actually becomes hot air and it doesn’t become part of you. But if you choose to think about it, if you choose to meditate on that, if you choose to ask, answer, discuss, analyze to give meaning, you push it into these memory trees of the mind, into the memory circuits and once they’re there, they are there for good. Once they’ve moved into what the neuro-scientists call the magic trees of the mind, once they’re there, they’re there for good, you can’t get rid of them. Then you’ve got to rebuild, that’s the renewing of the mind. Much more difficult to rebuild than it is to reject.
~ Dr. Caroline Leaf
The second point of control is after the thought has already been accepted. Dr. Leaf says that if thoughts slip through into our brain and become toxic, we need to start the rebuilding process. What it boils down to is a renewing of the mind process just like the Word of God says. We must think on things that are good, pure, of good report. God didn’t say that for no reason! As I observed in a recent post, How Healthy Meditation Can Make Us Successful, God’s Word teaches us that proper meditation will cause us to prosper and succeed, and it will add joy to our life.
Dr. Leaf, author of Who Switched off My Brain?: Controlling Toxic Thoughts and Emotions, says that the medical community and the scientific community (neuro-scientists and neuro-researchers) agree. They have proven that if we think healthy, positive, good thoughts, we release chemicals in our brain that actually go down to those negative toxic memories and start literally helping to dissolve them and actually help change the structure of that memory so that we can grow a new healthy memory over the old toxic one.
I was fascinated by the interview with Dr. Leaf and the way science proves God’s Word to be true. It was a two part interview with James and Betty Robinson, and you can view it, listen to it, or read it by following these links:
| Dr. Caroline Leaf 12/17/08: | Dr. Caroline Leaf 12/18/08: |
Keeping it real,









This post has 5 comments
October 22nd, 2008
Great post, Tammie! Your comments and quote from Dr. Leaf about free will is especially fascinating to me.
I so appreciated you sending me the links to Dr. Leaf’s interviews. I was so excited to hear the truths that she taught — scientific truths that line up with God’s Word - that I went out and bought her book and enjoyed every word !
October 25th, 2008
Tammie,
Great post. I’ve been reading a lot of books about brain science the last eight months, and am absolutely amazed at the sonic speed at which brain scientists are unlocking the secrets of grey matter. Even things such as why amputees have phantom limb pain, and what part of our brain unscrambles numbers, which side of the brain when affect by stroke will leave you blissful,while the other side under attack leads to anxiety. I am comforted that God designed our brain to be the only part of our body that remains cellularly the same (the rest of our body regenerates) which is why our childhood memories stay as if they happened yesterday…the same brain was there for it, while the rest of our body actually wasn’t there! He wanted us to use that organ wisely! I will look forward to more of what Dr. Leaf has to say.
December 16th, 2008
FYI: The dates on the transcripts are 12/17 and 12/18/2007 not 12/17 or 12/18/2008.
January 26th, 2009
Tammie,
Hi great article! I ‘ve shared it today with someone struggling with toxic thoughts from a past emotionally abusive relationship! I hope it helps her! What a bleesing your site is!
Thank You!
Diane
January 27th, 2009
@ Diane: I’m so glad you found something you think might be helpful to your friend. May the Lord give her an extra measure of grace so that she will have victory over those toxic thoughts.
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