We think it's normal for our parents, or even ourselves, to forget small things as we age. But sometimes this forgetfulness goes beyond the norm. We lose our memory to the point where we can't even do everyday tasks and can't even recognize our closest friends. We simply call this condition dementia. So why does this happen? Many people think that this is just a problem related to the brain. But new research suggests that there is a bigger connection between your cardiovascular health and this serious memory loss disease than we think.
What is this latest discovery?
A recent study by researchers at University College London (UCL) in the United Kingdom has made a very important discovery. They analyzed 27 research papers with data collected over 70 years. Their main goal was to find out what the main risk factors for dementia are and how they have changed over time. This surprising information was also published in the world-renowned medical journal ``The Lancet Public Health``.
Simply put, they say: Some of the things we used to see as the main causes of dementia are now less important. Instead, problems with the health of our hearts and blood vessels are now becoming the main risk factors for dementia. This means that keeping your heart healthy is one of the biggest investments you can make in keeping your brain healthy.
Have risk factors changed over time?
Yes, absolutely. For decades, the main risk factors for dementia have been identified as hypertension, obesity, diabetes mellitus, smoking, and low education levels.
However, the impact of these factors has changed over time. Just think, even in our country, there are more awareness programs against smoking now than before. Also, with the government's efforts to provide education to everyone, the impact of those two factors has now decreased a bit.
But at the same time, with changes in our lifestyle, the number of people with obesity and diabetes is increasing day by day. So now these two factors contribute much more to the development of dementia than before.
You can easily understand this difference from the table below.
| Risk Factor | The influence of the past | The impact of the present |
|---|---|---|
| Smoking | It was considered a very high risk. | The impact has been reduced due to awareness programs. |
| Education level | Low education was a significant risk. | The impact has diminished as educational opportunities have expanded. |
| Obesity | It was identified as a risk. | The impact has increased greatly due to lifestyle changes. |
| Diabetes (Diabetes Mellitus) | It was identified as a risk. | The impact has been greatly increased due to poor eating habits and lack of exercise. |
Who is the biggest culprit? - High blood pressure
Amidst all this, one risk factor remains as dangerous as ever. That's high blood pressure, or 'pressure' as we all know it . Doctors, despite all the talk about it from public health groups and the advice to control blood pressure, this study says that high blood pressure is still the single biggest risk factor for dementia.
Imagine, when we have high blood pressure, it not only damages our heart, but also the delicate blood vessels that supply blood to the brain. When this damage continues over time, the brain cells are deprived of the oxygen and nutrients they need. That's what eventually leads to memory loss and dementia.
Can we prevent this?
This may sound scary, but the good news is that there are many things we can do to prevent it. According to these researchers, if we could control the modifiable risk factors, we could prevent 40% of dementia cases! That's not a small number, right?
That means that 4 out of every 10 people who develop dementia could have been prevented from developing the disease!
So what can we do?
- Control your blood pressure: If you have high blood pressure, take the medicine your doctor prescribes on time and get your blood pressure checked regularly.
- Control your blood sugar levels: If you have diabetes, keep it under control. It is essential to follow your doctor's instructions, including diet, exercise, and exercise.
- Control your weight: Try to maintain a healthy weight for your height.
- Eat a healthy diet: Eat a diet low in oil, salt, and sugar, and high in fruits and vegetables.
- Exercise: Do at least 30 minutes of moderate exercise a day. Anything like walking, running, or cycling is good.
- Stop smoking and drinking alcohol: These are very bad for your heart and brain.
Starting these things today is the biggest investment you can make in your future. No matter how old you are, it's never too late to adopt a healthy lifestyle. If you want to know more about this, or if you have any questions, be sure to talk to your family doctor . He or she will give you the best advice.
Take-Home Message
- There is a very strong connection between the health of your heart and the health of your brain. If your heart is healthy, your brain will be healthy too.
- High blood pressure is a major and controllable risk factor for dementia.
- Conditions such as diabetes and obesity have now become major factors that increase the risk of dementia.
- By adopting a healthy lifestyle (good diet, exercise, and avoiding smoking) and following your doctor's advice, you can significantly reduce your risk of dementia.
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