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Miriam didnât start out seeing herself as someone who could beat MCI. It didnât even feel like a possibility.
But early one day in September, she logged into a support group on Facebook to share the good news.
Hereâs exactly how she put it:

Miriamâs outcome, which took more than four years of hard work to achieve, isnât the most common for someone with mild cognitive impairment.
But it isnât the rarest either.
A recent study shows that over roughly that period of time, about half of the people diagnosed with MCI are likely to see their memory loss stabilize, and about a third will return to cognitively normal â as Miriam did â or at least fluctuate between MCI and cognitively normal.
So Miriam is not an outlier. Rather, sheâs an inspiration. She shows us that MCI can indeed be reversed. More importantly, she shows us how.
Thatâs why I tracked Miriam down after I saw her post on Facebook, and why Iâm glad she was willing to talk to me. I wanted to understand what worked for her â how she did it.
Not because sheâs found some secret formula that anyone else can follow and get exactly the same result she did. But because Miriam took so many of the fundamental things people with MCI are encouraged to do, and threw herself into them.
For her, they worked. And sheâs convinced they can work for others, too.
âWhen I started on this journey of recovery, my goal was to keep myself from getting worse; thatâs all I wanted,â Miriam says.
âBut what happened was, I got better and it reversed, and I wasnât expecting that. I want people to know if that happened to me, it could happen to you.â
For Miriam, the odyssey back to cognitively normal involved long, vigorous walks with her husband. It required her to radically improve her eating habits, giving up meat and eventually moving to an entirely plant-based diet. She had to learn ways to manage stress, and practice them faithfully.
So make no mistake about Miriamâs journey. It was a long, arduous one. And it began with memory problems that sent her stress level shooting off the charts, and a frightening diagnosis involving a condition she knew nothing about.
MIRIAMâS MEMORY BEGINS TO FALTER
Miriam was 50 years old, married with three adult children and working as an accountant in the southwestern U.S. when her memory began to slip.
âI was working a very stressful job,â she says. âThe thing I remember most is that I would have to run meetings and when someone else was talking, I couldnât write down what people were saying because I couldnât remember what they said.â
She wasnât the only one to notice. âAt one point, my manager said, âMiriam, they just told you that,ââ she recalls. âBut I couldnât write it down. It was gone. I thought, âYou didnât used to do this. Something is wrong.â I started to get really stressed out.â
Miriam immediately assumed the worst. Alzheimerâs runs strongly in her family, on both sides. âBut it really threw me, because I thought it was happening too soon,â she says. âIt didnât hit my family until they were in their 70s, and I was 50.â
She talked to her doctor, who sent her for an MRI and referred her to a neuropsychologist for cognitive testing. The following month, the results came in and she received her diagnosis â mild cognitive impairment due to vascular disease and depression.
It wasnât the news she was hoping for. âEven though I thought something was wrong, I had hoped it wasnât that bad,â Miriam says. âI hoped it was just me being too worried. I guess I was a little shocked, even though I wasnât completely shocked.â
Based on her family history, Miriam knew all about Alzheimerâs. But MCI? Sheâd never heard of it.
âI had no clue what MCI is,â she says. âI started reading everything I could find about it on the Internet. I think probably at that time I saw something about the percentage of people with MCI who went on to Alzheimerâs, and I knew I was at high risk. I thought, âSo this is how it starts.ââ
THE HARD REALITIES OF LIVING WITH MCI
If the concept of MCI was vague and confusing, the reality of living with it hit her in ways she has no trouble describing.
âI was tired. I was fatigued,â Miriam says. âI tried to exercise but it felt like there was a weight on me. I couldnât focus properly. I couldnât think properly. I was scared. I had to write everything down, because I couldnât remember.  I could not come home and cook dinner. I would come home and sit and watch TV. At that particular point, it was strictly that I wasnât able to thrive.â
The company Miriam worked for at the time was a high-tech startup, and it was struggling. Her manager got laid off. Soon after that, she was laid off too.
âDuring the time when I was let go, I was feeling so much anxiety,â Miriam says. âI decided I didnât want to start another job yet. I wanted to get some of this anxiety down. I started searching to see if I could find a doctor, someone who I could trust, who knew something about dementia. I knew there really was no cure, but I thought if I could find someone who was really into it, they would be on the front line and be aware of something if it did come up.â
She was fortunate to find a memory specialist who was well-versed in MCI and dementia, and that helped put her on a better course. Miriam began to understand that even if thereâs no medicine approved for the treatment of MCI, thereâs ample evidence that lifestyle changes have the potential to slow or halt it.
She took up an exercise program, and coupled that with dramatic changes to her diet.
âI started walking with my husband,â Miriam says. âWe would walk three times during the week, three or four miles. On weekend days, weâd walk four to eight miles each day. It was hard. I felt like I had weights on my legs.â
But she persevered. Those regular walks turned into a healthy habit she continues today, and that fatigue has been replaced by a feeling of fitness. âI still do about that much walking, but I walk a lot faster now,â she says. âIâm not dragging. I have pep. I have energy. I feel a lot younger.â
For Miriam, an even bigger turning point came when a physician assistant who worked for her memory specialist recommended a primarily plant-based diet, with no meat, but fish two or three times a week. She gave Miriam the book âThe Perfect Gene Diet,â by Pamela McDonald, and told her to follow the diet recommended for people with the APOE4 gene. That gene is associated with a higher risk of Alzheimerâs.
âFour months after being on The Perfect Gene Diet â and I followed it strictly â I was no longer on an anti-depressant,â Miriam says. âThe diet cleared up my depression, so I continued doing the diet. I followed the diet, except no meat whatsoever. I only did fish.â
FINDING WAYS TO TACKLE HER STRESS
While exercise and diet were beginning to benefit Miriam, that wasnât the whole picture. She was working a new job now, and she continued to struggle with work-related stress and the emotional toll of everything she was dealing with in her life. She realized that she had to address those things if she was going to get better.
âAround mid-2016, I started going to a therapist,â she says. âI did individual therapy for two and a half years, and I also did about a year of group therapy. That helped me in this whole process of growing and changing things in my life, and moving forward and getting well.â
She also learned a couple of stress-reduction techniques, and began to use them regularly.
One was a visualization technique that taught her how to leave her stress at work. âI was bringing things home from work mentally,â she says.  âSo I would visualize putting whatever that concern was in a jar, putting the lid on the jar and setting that jar on the desk at my office before I left work.â
She began using a very simple breathing technique as well. âBreathe in, breathe out slowly, and letting go, just relaxing,â she says.
All of these things were making a difference, though Miriam still had a ways to go. âI felt a little bit better, my mind was a little clearer,â she say, âbut I was still having some trouble.â
AN ENERGETIC NEUROLOGIST WITH FRESH APPROACHES
The final turning point came when Miriam found a new neurologist. The memory specialist she worked with previously decided to stop taking patients and focus full-time on research. So Mariam had gone a while without seeing a specialist, and her general practitioner wanted her to go back to a neurologist again. âI hadnât been able to find anyone else,â Miriam says, âso she recommended this nice young neurologist, right out of school.â
Miriam found her new neurologist to be energetic and full of fresh approaches.  About the same time, she discovered the teachings of Dr. Dale Bredesen, author of âThe End of Alzheimerâs.â She read the book, and a lot of what Bredesen teaches made sense to her, so she asked her neurologist about his protocol. âShe had heard about it, and she said it was very expensive, but she said she believed in it,â Miriam says.
Based on the expense and other considerations, Miriam choose not to seek out a medical specialist trained in the Bredesen protocol. Still, she felt there were parts of it she could incorporate into her life without that help. âI decided I would just have to see if I could figure it out on my own,â she says.
By then, Miriam had fully committed herself to a healthier lifestyle, and she had a lot of support and encouragement along the way. While she was dealing with MCI, her husband was diagnosed with a blood disorder, so they motivated each other to stick with the improvements in exercise and diet that both of them were making.
She had other family support as well. âMy half-brother, who is nine months older than me, was diagnosed with early onset Alzheimerâs,â she says. âHe became another inspiration for me. Heâs an electrical engineer, and by changing his diet, and exercise and all the extra things he does, he was still able to work, so he encouraged me. He was always reaching out to me to make sure I was following the protocol.â
THE FINAL PIECE OF THE PUZZLE
Yet even at this point, there still was one piece of the puzzle missing for Miriam. And the new neurologist helped her find it.
âAfter I started seeing her, she began running all these different test,â Miriam says. âShe told me, âI have some blood work I want to do on you.â Itâs called a dementia profile. She did my blood work in April. Because I was eating fish all the time, she wanted to be sure my mercury levels and my lead levels were OK.â
The test results came back, and showed there indeed was a problem. Miriam had high levels of mercury, not to mention arsenic. Her neurologist moved immediately to address the problem. âShe told me, âStop eating that fish,â Miriam says.
Her neurologist predicted it would take six months to a year for Miriam to flush the mercury from her body. But a month later, she says, âmy brain was clear.â
And Miriam says once the mercury was completely out of her system, it was like a curtain being lifted. âI noticed I was getting better and better,â she says.
ONE ENCOURAGING INDICATION AFTER ANOTHER
After that, all the indications began to turn positive for her.
Sheâd been working with a speech therapist on issues related to cognition, memory and speech, but her therapist told her that she didnât need further help with those. âShe said, âYou are not having any problems,ââ Miriam remembers.
Miriam also had changed jobs, and found the new position to be less stressful. âNow I was in a job thatâs perfect for me, and it was going well,â Miriam says. âI was having hour-long meetings, and I could talk about everything. I couldnât do that before. I am able to do that now.â
The most encouraging indication, though, came this summer, when Miriamâs former memory specialist reached out to her. The specialist had found a study that she thought Miriam would be a good candidate for, and wanted to screen Miriam for it.
Miriam had always been open to participating in a clinical trial, but most studies are looking for people age 65 or older, so she hadnât been eligible. This one was open to people her age, who either had mild cognitive impairment or in some cases hadnât even received that diagnosis yet.
So Miriam volunteered to be screened for the study. But it turns out she didnât qualify â for the best possible reason. âThey ran me through some of the testing,â she says, âand then they told me, âWeâre sorry, but your memory is too good for our research.â
âI could tell even when I was being asked the questions, I was getting more answers right,â she says. âI was like, âWow, Iâm remembering more.â I knew I was doing better, so I wasnât surprised.â
SKIPPING DOWN THE HALL LIKE A SCHOOLGIRL
I asked Miriam what it felt like to experience that, and she was giddy in her reply. She described one day at work, when she was so happy and doing so well, she found herself skipping along the corridor like a schoolgirl.
âI am thrilled. Iâm just thrilled,â she says. âI knew how well I was doing. I was skipping down the hall because I felt so well.â
I also invited Miriam to reflect back on all the hard work she had put in over those four-plus years, and all the ups and downs, and the fears and the frustrations of facing MCI. I asked her what she thought had made the difference for her.
âThe diet was a big piece of it â a big, big, big piece of it,â she says.
Asked to describe how she eats now, she says:Â Â âIâm on a whole-food, plant-based vegan diet. I strongly limit processed foods. I donât eat meat, fish, dairy, eggs, sugar or oil. I eat all fresh fruit, all vegetables and whole grains such as rice, oats, quinoa, bulgar, and beans, nuts and seeds. I limit bread and pasta.â
And of course, there was a bigger picture than that, in terms of how she fought to defend her cognition.
âIt wasnât just the diet,â she says. âIt also was the exercise and the help that I got with stress and overcoming the anxiety and just dealing with my whole thought process.â
NOT A PRESCRIPTION, BUT AN ALLEGORY
To put Miriamâs experience in perspective, itâs important to understand that no one can promise you the results she got. But remember, reversing MCI wasnât even her goal in the first place.
She was just hoping to slow it down or keep it from getting worse. And for people with MCI, itâs not an unrealistic goal. That is actually the more frequent outcome.
Earlier this year, researchers at the University of Pittsburgh published a study showing that across a broad general population of adults with mild cognitive impairment, relatively few of them went on to develop dementia over a period of five years.
âMost people with MCI do not progress to dementia in the near term, but rather remain stable with MCI or revert to normal cognition,â the study says.
In fact, according to the study, of nearly 900 adults with mild cognitive impairment:

There was a time when MCI was routinely referred to as a âprecursorâ to dementia, or an âintermediate stageâ leading to dementia. We know better now.
For people with mild cognitive impairment, the odds of slowing, halting or reversing it are actually pretty good. And you can improve those odds even more by adopting healthy habits that promote brain health.
One of the quotes I like to share as often as I can comes from Dr. Joel Salinas, a neurologist at Massachusetts General Hospital. He told the Harvard Health Letter that only about 15 percent of people over the age of 65 who have MCI will progress to dementia.
Salinas says heâs seen plenty of patients âstay in the MCI stage for many years, even when we presume it was a neurodegenerative disease,â and by that, he means even in cases where the doctors assumed the person had Alzheimerâs.
Salinas goes on to add: âThe people who spend the most time cognitively stable are often the ones who stick to lifestyle recommendations.â
In other words, people like Miriam.
Again, itâs important to understand her experience is not a prescription for how to beat MCI. Itâs more of an allegory.
Itâs an example of what becomes possible when someone struggling with cognitive loss:
- gets an accurate diagnosis
- finds a good doctor versed in the latest approaches to the treatment of MCI
- and commits to healthy habits that can help defend  cognition.
âI had no earthly anticipation that I would be back to where I was before I began having this difficulty and getting this diagnosis,â Miriam says.
âI just want people to know that if you have mild cognitive impairment, thereâs something you can do and you donât have to spend a lot of money to do it,â she says. âI hope someone hears my story, and it inspires them to make the changes that are necessary. I hope it helps someone else. I really do.â

