The truth is, I've wondered that a few times too... It seems like dementia has become almost a silent epidemic of our time. I think there are several reasons behind this: the aging of the population, yes, but also our way of living and eating.

Today we live in a hyper-industrialized world: we eat a lot of processed foods, fill our bodies with sugars, ultra-processed vegetable fats, products with additives, and on top of that, we add chronic stress, little sun, screens all day long, and a completely artificial pace of life. It's as if we're disconnected from what our grandparents did naturally and what was part of their daily lives. We've made a lot of progress as a society, but on the other hand, we've fallen behind.

At home, we're trying to change that. Here are some things we learned and that we're gradually applying:

Are we guaranteed that it will never affect us? No. But at least we can do what's in our hands to take care of this organ that is everything.

low cholesterol > bad for the brain, neurons cannot manufacture enough cholesterol, so the liver produces excess and transports it using lipoproteins to tissues that need extra.

widespread statin usage in the general population is causing dimentia

Check out Dr. Sara Pugh's podcast number 18 "Do you have iron overload or copper deficiency, Part 2" where she and Morley Robbins discuss the effects of copper deficiency and iron overload on the brain, causing problems such as Parkinson and Alzheimer diseases. https://podcastindex.org/podcast/7150080?episode=40135021438

What makes you say that? Are there any facts or data behind it?

It kinda makes sense that dementia is one of the big illnesses of our time. People are living longer, and diagnoses are getting better, so of course the numbers are going up. We also have to remember that a few years back, it was a pretty overlooked condition, so there weren’t many records to compare with. Maybe there are some genetic reasons behind it too, but I’ve heard that keeping your brain active with reading and games can really help reduce the effects of the disease.

Here's my 2 sats - Alzheimers (the most common of the dementias) is actually a relatively new disease. It was named after Alois Alzheimer, who described the first case he found.

And when was that first case? In 1906! In other words, a NEW DISEASE.

Based on a lot of what I've read, it's a result of increasing consumption of sugar. Nowadays, they're starting to call it Diabetes, type 3.

Take a look at my recent post: Alzheimers is a NEW disease - here's how to avoid it

Avoid sugar like the plague. With that, you'll probably avoid Alzheimers as well.

I suspect "dementia" is probably just the symptom. Knowing what causes it may assuage your worries...?

why ? may be , because we did not learn how to grow physically, mentally (listen tooo much our mental/ego), because we drink alcool, take drugs...

Everybody is susceptible...

i would prefer not to ask why , but what can be done to bypass.... May be meditation, yoga, sport, activity , nature could help to avoid ...

People might have known the reason, but forgot!

Because people like to forget.