Could the Key to Reversing Dementia be Challenging but Attainable?

In 2014, Dale Bredesen, MD published a paper documenting a study of 10 people following a non-pharmaceutical regimen to improve their "memory loss associated with Alzheimer's disease (AD), amnestic mild cognitive impairment (aMCI), or subjective cognitive impairment (SCI)" (Bredesen 2014). Among the many elements of the regimen, included a low grain diet, 8 hours of sleep nightly, exercise most days of the week, and several over-the-counter supplements.

Let me point out that this is considered an anecdotal study even by Dr. Bredesen, meaning that it was not designed with the scientific rigor of a prospective randomized control trial (RCT).  I discuss RCTs in this post on the positive impact of exercise on your brain health. In his summary, Dr. Bredesen mentions the need for more research in this area, including a controlled trial.

Of the 10 study participants, all of whom exhibited symptoms of memory challenges, 9 of them showed "subjective or objective improvement" after 3-6 months (Bredesen 2014).  Six of the participants who had to exit the workforce because of their condition were able to return to work after treatment. One person of the nine showing improvement never left the workforce and continued to work effectively.  Three of the ten were not working and did not seek employment. The one person who did not show improvement had severe dementia.

The diet described in this novel study sounds very close the Primal Blueprint (PB) diet from Mark Sisson of Mark's Daily Apple.  This lifestyle encourages eating similar to what our ancestors consumed prior to processed foods.  The diet includes wild-caught fish, grass-fed animals and their products, healthy fats, vegetables and fruit, a night's good sleep, and exercise. Of course, there are other popular diets that have a similar sugar-limiting feature.  I just know the most about the PB.

It's March of 2016 and there is no significant treatment for Alzheimer's or related dementias.  I encourage you to bring the article to the attention of your physician and discuss how it may help you.  My hope is that he or she encourages you, given the fact that there are little to no side effects to sleep, exercise, and a diet absent of processed foods.  The no- or low-grain part can still be controversial as well as healthy fats, but I encourage you to do your own research as I have, and choose for yourself.  After all, I am not a dietician.

This lifestyle described in Dr. Bredesen's study is challenging to follow, but I am excited to see how future studies will inform us.  It seems to me that this has the potential to reverse cognitive decline in dementia for some people, and perhaps be a key to prevention or a reduction in risk for many of us.  This has motivated me to modify my eating habits for the past 40 days. Losing excess body fat and feeling better...I'll take these as side effects.

Bredesen, D. E. (2014). Reversal of cognitive decline: A novel therapeutic program. Aging Aging, 6(9), 707-717. 

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In Peace,

Matt

Matt Estrade, MBA, CAPS is the Founder and Chief Mentor at Care Partner Mentoring, LLC in Covington/New Orleans, LA, USA. A more extensive biography can be found here.

Would You Break a Sweat to Save Your Brain?

Tis the season to begin thinking about new year's resolution and for sure, many will hit the gym, the pool, and the neighborhood pavement for a few months.

What if I could offer greater motivation, perhaps enough to start today in December?

As we become older adults, our brains begin to shrink or "atrophy" at a rate of 1-2% per year.  Scary, yes, but there may be something we can do about it.  We will focus on the hippocampus, the part of the brain "critical for establishing new memories, part of the brain most vulnerable in Alzheimer's Disease (AD) and vulnerable to aging."

As discussed in a very informative lecture by Professor Frank Longo, MD, PhD, Chairman of Neurology and Neurological Sciences at Stanford University, it is possible to grow your brain with daily exercise.

Dr. Longo cites a 2011 Prospective Randomized Controlled Trial (RCT) by Erikson et al. entitled 

"Exercise training increases size of hippocampus and improves memory."  RCTs are the gold standard in research trial design, showing cause and effect, not just association (or correlation) of factors.

Dr. Longo then imagined out loud how this good news may play out when speaking with a patient at his Stanford clinic:

"I have this new drug out, it's is going to reverse the shrinkage of your hippocampus- I know that sounds like science fiction- we have this drug that will reverse brain shrinkage... here are the side effects of this 'drug': less hypertension, less diabetes, and less depression... so you'd say write me a prescription, I'm ready. I'd tell you you need to do brisk walking, or some form of exercise, 30 minutes a day 5 days, you'd be really disappointed and probably wouldn't take it."

This, no doubt, will not stop Dr. Longo from offering the findings and encouragement. Of course, we should all still try to spread the news of the potential benefits of exercise. Will you make that difference?

I hope you consider this study and start lacing up your tennis shoes. Please do not see this as an all or nothing proposition.  If you can exercise 3 days a week, that is better than nothing. I'll post more research on prevention. The best way to find Peace with Dementia is to take steps to avoid developing it. Be well!

A special thanks to Dr. Longo for this presentation and Dr. Erikson and team for this important work.

Action Items:

• Decide if you want to reduce risk of hypertension, depression, diabetes, and dementia.
• If yes, find a cardiovascular activity that you enjoy doing - swimming, walking, cycling, etc.
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Matt Estrade, MBA, CAPS is the Founder and Chief Mentor at Care Partner Mentoring, LLC in Covington/New Orleans, LA, USA. A more extensive biography can be found here.

PubMed Citation of Study Discussed:

Proc Natl Acad Sci U S A. 2011 Feb 15;108(7):3017-22. doi: 10.1073/pnas.1015950108. Epub 2011 Jan 31.  Exercise training increases size of hippocampus and improves memory.
Erickson KI1, Voss MW, Prakash RS, Basak C, Szabo A, Chaddock L, Kim JS, Heo S, Alves H, White SM, Wojcicki TR, Mailey E, Vieira VJ, Martin SA, Pence BD, Woods JA, McAuley E, Kramer AF.