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source : health.clevelandclinic.org |
I’ll be honest, dementia used to feel like this vague, scary thing I didn’t fully understand. I just knew it had something to do with memory loss and getting older. But when someone in my family started showing signs, asking the same questions repeatedly, losing their way in familiar places, I dove deep into research, doctor conversations, and real-life stories to truly understand what was going on.
Here’s everything I wish I had known from the beginning, simplified, humanized, and backed by science.
So, What Is Dementia, Really?
Think of dementia as a broad umbrella term. It’s not one specific disease, it's more like a group of symptoms that affect memory, thinking, behavior, and the ability to do everyday tasks. Alzheimer's disease is the most well-known type, but there are actually several causes behind it.
Important Note: Dementia is not a normal part of aging. Yes, memory can get a little foggy as we get older, but dementia means something deeper, actual damage happening in the brain.
The Most Common Types of Dementia
Let’s break down the main types and what makes them different:
1. Alzheimer’s Disease
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The most common cause (about 70–80% of cases).
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Caused by buildup of two troublemakers: beta-amyloid plaques and tau tangles.
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Main signs: memory loss, confusion, problems with speaking or judgment.
2. Vascular Dementia
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Caused by reduced blood flow to the brain, often after a stroke.
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Common signs: slowed thinking, trouble focusing, issues with movement or balance.
3. Lewy Body Dementia
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Caused by protein deposits (Lewy bodies) in brain cells.
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Symptoms: sleep issues, visual hallucinations, unpredictable alertness, and sometimes movement problems.
4. Frontotemporal Dementia
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Affects the front and side of the brain.
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Causes major personality, behavior, and language changes.
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Often appears earlier than Alzheimer’s (50s or 60s).
5. Mixed Dementia
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Yep, you can have more than one type at once, for example, both Alzheimer’s and vascular dementia.
Early Warning Signs (And Why They're Easy to Miss)
In the early stages, dementia can be sneaky. Here’s what to look out for:
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Repeating the same questions or stories
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Getting lost in familiar places
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Forgetting names of people or objects
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Trouble handling money or paying bills
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Personality shifts, becoming withdrawn, irritable, or overly suspicious
Sometimes, the person notices these changes. But more often, it’s loved ones who start seeing the pattern.
How Dementia Progresses (The 3 Stages You Should Know)
Early Stage
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Slight forgetfulness
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Losing track of time
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Getting confused in familiar settings
Middle Stage
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Forgetting names and events more often
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Repetitive behavior or speech
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Needing help with daily tasks (like dressing or eating)
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Mood changes or getting upset easily
Late Stage
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Not recognizing loved ones
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Difficulty speaking or walking
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Needing full-time care
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Potential for aggression or deep confusion
This stage is emotionally hard for families, but knowing what to expect makes it less terrifying.
What Causes Dementia?
There are multiple triggers:
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Alzheimer’s (progressive brain cell death)
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Stroke (reduced blood supply)
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Infections (like HIV or neurosyphilis)
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Head injuries (especially repeated trauma)
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Brain tumors or vitamin deficiencies (like B12)
Dementia isn’t always caused by age or genetics. Sometimes it's preventable or reversible, especially if it’s caused by medications, depression, or a nutritional issue.
How Dementia Is Diagnosed
There’s no single magic test. Doctors usually use a combo of:
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Memory and thinking assessments
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Brain scans (CT or MRI)
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Blood tests (to rule out other causes)
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Family interviews (because the person affected might not be fully aware)
A Common Test You Might Hear About: Mini-Cog
This includes:
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Recalling three words (like “banana, sunrise, chair”)
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Drawing a clock face with a specific time
It seems simple, but it gives big clues into memory and spatial awareness.
Is There a Cure for Dementia?
Sadly, no. Most types, including Alzheimer’s, can’t be reversed. But certain medications can ease symptoms or slow progression, especially in the early stages.
Common ones include:
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Donepezil (Aricept)
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Galantamine (Reminyl)
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Rivastigmine (Exelon)
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Memantine (Namenda) – for moderate to severe symptoms
If dementia is caused by something like a vitamin deficiency or a drug interaction, it might be reversible. That’s why early testing is so important.
Lifestyle Tips That Actually Help
Even though there's no cure, you can still fight back with these strategies:
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Eat brain-healthy foods (like leafy greens, fish, and berries)
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Keep learning (read books, play instruments, do puzzles)
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Stay active (exercise boosts blood flow to the brain)
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Reduce stress (through mindfulness, sleep, and relaxation)
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Stay social (talking to others builds brain resilience)
These habits are especially powerful in your 40s–60s, a time when brain changes start, even if symptoms haven’t shown up yet.
Can You Prevent Dementia?
Not 100%, but you can reduce your risk. The World Health Organization recommends:
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Regular aerobic exercise
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No smoking
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Low alcohol intake
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Managing conditions like diabetes and hypertension
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Protecting your head (especially in sports)
Final Thoughts: What I’d Tell You as Someone Who’s Been There
Dementia isn’t just about memory loss it’s about identity, relationships, and how we show up for each other when things get hard.
If you’re noticing changes in yourself or someone you love, don’t brush it off. Start the conversation early. Get tested. Learn what type it might be.
And remember: you’re not powerless. Lifestyle changes matter. Compassion matters. Being informed is the first and maybe the bravest step