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Something in Turmeric could reverse Alzheimer's dementia

5/8/2012

6 Comments

 
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Last weekend I gave a talk titled "PET Imaging of Alzheimer's Dementia." (To the left is a picture of a patient who did not develop Alzheimer's compared with another patient who did, as detected by a special PET agent developed at UCLA.) 

After my talk, I became curious and reviewed the literature on whether curcumin (the bioactive component of turmeric, used in day-to-day cooking and Ayurvedic medicine for centuries) could protect against this horrible disease where the sufferer is robbed of memory, feelings and personality. This is a disease where the suffering is just as horrible for the people taking care of the patient. And while there's one FDA-approved medication (Aricept) that seems to slow down progression by about 9 months, there is none that reverse the disease.

So I was excited to read the research on on mice models of Alzheimer's, which tell of curcumin actually reversing one of two likely causes. The current consensus is that the two causes of Alzheimer's dementia are (1) increased production and accumulation of a protein named Amyloid-beta 42 around brain cells, and (2) accumulation of another protein named tau tangles inside brain cells, both of which evoke an inflammatory response leading to the eventual death of these brain cells. 

Gary Cole, Ph.D., a UCLA researcher, has shown in vitro experiments (such as in petri dishes in the lab) and in mice that curcumin has 3 major effects that appear to fight the Amyloid cause of Alzheimer's: it (a) breaks down Amyloid-beta so that it doesn't accumulate, (b) prevents the protein from forming, and (c) helps reduce how much cholesterol is available in the brain. 

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In a couple articles, Dr. Cole summarizes the benefits of curcumin (pointing out also that its relatively safe) and why companies aren't running trials or selling it (because they cannot patent curcumin): "Neuroprotective Effects of Curcmin" (published in 2007 by Advances in Experimental Medicine and Biology journal), and "A Potential Role of the Curry Spice Curcumin in Alzheimer’s Disease" (published in 2005 in Current Alzheimer Research journal). There's another paper in the Journal of Neuroscience from 2001. If you have trouble seeing these articles, let me know. 

By the way, to see what Alzheimer's disease does to a person's brain, look to the right. Clearly, you can see that brain tissue is destroyed, thus shrinking the size of the brain. (The picture is courtesy of Alzheimer's Association.)

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Moving on, there is an interesting sidebar on Dr. Cole's lab site that explains what things are linked to higher risk of developing Alzheimer's disease  (like diabetes and high cholesterol levels) and lower risk (exercise and a diet of fruit and vegetables) with some lifestyle suggestions. You really should take a look.

Alzheimer's related advice is found here: http://alzheimer.neurology.ucla.edu/diet.html 

Because the published research is based on tissues in the lab and mice, perhaps we should be cautious of wholeheartedly endorsing that curcumin can actually reverse the Amyloid cause of Alzheimer's in people. Luckily, a UCLA team is beginning a curcumin trial in people to study whether it has the same kind of anti-Alzheimer's effects that were seen in mice fed curcumin. The study started this spring (March 2012) and will go on for at least 5 years. (Studies looking at slow-going processes like buildup of Amyloid in the brain take a long time to conduct.) 

After putting away some of these interesting papers, I remembered learning (thanks to this World Health Organization webpage) that India has among the lowest rate of Alzheimer's disease in the industrialized world. Since we know South Asians have eaten turmeric on a daily basis for centuries (many still do), perhaps this could be another piece of evidence supporting the anti-Alzheimer's effect of turmeric. So if you have some curry powder in your food most days of the week, keep on doing it. If not, add a dash to whatever you eat next time. 


6 Comments
RC
5/8/2012 11:02:51 pm

Interesting article .. need badly a breakthrough for Alzheimer's disease ith growing polulation of baby boomers

Reply
Derrell
5/12/2012 01:50:02 am

My Dad is 73 and in the late stages of Alzheimer's. He was diagnosed approximately 13 years ago. March 21,2012 we started mixing Turmeric powder in his food three times a day for a total daily amount of 1 Tsp. Before we started this his weight was 92 Lbs and he was sleeping most of the time except to being woken up for us to feed him. He was very unresponsive, needed pillows for support when in the wheel chair,moved his limbs very little etc. Within two weeks of mixing turmeric in with his food he began to stay awake for longer periods of time and was bending his knee's in bed. He is now more responsive if we say Hi to him he responds with a quick Hi!. My mom asked him recently if he knew who she was and he answered "my wife". We checked my Dad's weight May 11,2012 and he is now 98 Lbs. He is also now able to sit in the wheel chair with no pillow's for support. The care aid's in the care home were unaware when we first started mixing the Turmeric in with his food and started making comments shortly after that he was getting stronger and more alert as well as awake for long periods of time. We are unaware at this time how this affects and how it will affect his short term memory but there does seem to be some improvement in other area's.

Reply
Jane
7/9/2014 04:09:52 pm

Thanks, Darryl, for the comment. I've been looking for a testimonial from somebody who's a caregiver in this situation. Any update? We just started my mom on longvida curcumin 8 days ago. Best wishes for you and your family.

Reply
Ms. Ashley
6/5/2012 12:46:39 pm

Didn't know that <a href="http://organicindia.mercola.com/herbal-supplements/turmeric.aspx">turmeric</a> can do so much. Thanks for this great article!

Reply
James Bogash, DC link
6/25/2012 08:55:52 am

Great article! It's nice to see comments related to the PREVENTION of AD rather than so much focus on treatment. By the time someone is diagnosed with AD, the loss of brain cells has likely been going on for years. I personally do not believe that we will ever find a truly effective treatment because of this. Prevention of AD, however, has consistently been shown with lifestyle in the medical literature.

Reply
Brian link
10/14/2012 04:56:25 pm

Hi, thanks for this post. I am an acupuncturist and this is definitely helpful. More power!

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