Blood pressure and dementia- is there a connection?

Blood pressure and dementia- is there a connection?

Dementia impacts all aspects of your life, from therapeutic to social to economic dealings. You, your family, and everyone around you have impacts and influences of dementia. Medical researchers proved that there is a connection between hypertension with dementia.

The association amongst dementia and hypertension seems to have a strong relation to blood pressure level. Here are some researches that have been conducted to prove the connection between hypertension and dementia. Let us have a look at some inferences of these researchers

Research #1

More than 1400 ladies beyond 65 a years old were chosen in Women’s Health Initiative. For approximately 8 years, the team of expert researchers followed them. Through MRI (Magnetic Resonance Image), they came to know about that due to higher blood pressure levels, white matter lesions (injuries) were increased.

Lesions in white matter demonstrate a vague and weak protection around nerve cells that are important for cerebrum correspondence. Moreover, due to this lesion, insulation around nerve cells became weakened which is necessary for the communication of brain.

Research #2

In another research directed by Johns Hopkins University observed 983 middle age or men and ladies for more than 15 years. At the end, result shown the great degree of brain damage due to hypertension. Studies showed that it happened due to white matter lesions.

Research # 3

In one such investigation, more than 1000 men kept under observation for approximately 30 years. The examination found that The most elevated hazard for dementia was in the men who had hypertension, however, were never treated for it.

Moreover, the most minimal danger of dementia was in the individuals who were treated with the drug for more than 12 years and whose blood pressure was all around controlled by the medicines.

Modern research in medical science

Presently, the association between hypertension and dementia is not obvious. A few investigations have indicated hypertension treatment to bring down dementia hazard and others have not discovered a connection.

In an upcoming research, The National Institutes of Health is getting ready 7500 patients with hypertension age 55 and older.

The aim of this research will be to assess either or not an aggressive treatment to bring down systolic blood pressure below 120 mmHg will be more advantageous when contrasted with systolic blood pressure below 130 or 140 mmHg.

How to define dementia?

It is a term that depicts the side effects and signs like loss of memory, perplexity, and issues with talking and comprehension. The signs get worse as the time passes which implies to the fact that dementia is progressive.

Vascular dementia is the second most basic reason for dementia after Alzheimer’s disease. Many individuals with Alzheimer may also have some level of vascular dementia.

How high blood pressure causes dementia?

The potential factors through which hypertension adds to dementia outline in the Figure below.

Hypertension is the most exceedingly awful possible thing for the cerebrum. To begin with, hypertension harms the veins in the cerebrum and it further leads to the hardening of these arteries.

Second, it influences small veins and the cerebrum’s capacity to control the flow of blood which is fundamental to keep it working regularly and normally.

As we do not have solid scientific proof, treating hypertension will be imperative. It also saves heart and kidney along with the brain. So, the best thing to do is to control hypertension.

How to lower blood pressure and maintain it?

In order to maintain happy and healthy life, it is imperative to keep a check on your blood pressure levels. If, unfortunately, you have hypertension, do not get panic. All you to need to do is, just give a try to following tips to lower down your blood pressure.

  • Lose extra weight

Hypertension frequently rises with an increase in weight. Being overweight additionally, can cause disturbed breathing while sleeping and known as sleep apnea which additionally raises your blood pressure. Weight reduction is a standout amongst the best way to control hypertension

  • Exercise consistently

Physical activity for at least 30 minutes in a day can bring down your blood pressure by 4 to 9 mm Hg. It’s imperative to be regular because if you quit working out, you may experience hypertension again

  • Healthy eating regimen

Whole grains, vegetables, and low-fat dairy items hold your blood pressure in control. Avoid cholesterol, saturated fats, processed and junk food. This eating design termed as DASH diet or Dietary Approaches to Stop Hypertension diet as well.

  • Reduce intake of sodium

Higher intake of salt not only raises the sodium level in the blood stream but also affects its balance. Consequently, it decreases the capacity of kidneys to remove water as well.

Thus, therefore, reducing salt intake will be helpful in lowering blood pressure. Reduction in salt intake may reduce your blood pressure by 3 to 9mm Hg

  • Settle on Omega-3 fatty acids

Omega 3 fatty acids have ability to lower blood pressure as well. Salmon, trout, and other oily fish are great sources of omega 3 fatty acids. Vegans can get their Omega-3 from eggs.

  • Quit the habit smoking and drinking.

These are two other unfortunate propensities to stay away from if you want to get rid of hypertension. Liquor raises blood pressure. Smoking is not healthy in any case. Nicotine causes veins to contract and that may cause hypertension. So, try to quit these habits as soon as possible.

  • No to stress

You unquestionably should attempt to stay away from stress as this can worsen hypertension. There are various approaches to reduce it like yoga, every day work out, a lot of rest, better time administration, avoid caffeine, strolls on the sea shore or any soothing and calming area around your vicinity.

For detailed tips and natural remedies to lower down your blood pressure, click here

Final words

A background marked by hypertension that runs untreated increases the danger of creating dementia. Long term and effective treatment of hypertension can decrease the risk of dementia. Particularly, once we enter middle age, we should have a regular check on our blood pressure.

Uncontrolled hypertension can cause issues by harming and narrowing the veins in the brain. After some time, this raises the danger of  the blocking or bursting of a vein. If blood cannot convey oxygen and energy to any part of the cerebrum due to a blocked or burst vein, a few cells in the brain might be harmed or even die down.

Consequently, it affects thinking and memory of a person. Moreover, it also influences the language skills as well. It is known as vascular dementia.

An essential thing you can do to ensure your blood pressure remains normal is to have it checked frequently by your specialist. In case of hypertension, follow your specialist’s treatment guidance and take any medicines as recommended.


The author has done masters in Biochemistry from the University of Karachi and a freelance content writer by profession. Writing is her passion, and her degree helped her a lot to write about health-related topics. She is the author of a research paper. The author conducted research on the patients of cardiac arrest.

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