The Link Between Heart Health And Dementia
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Heart Health And Dementia Connections
Dementia can be caused by several factors, from strokes to brain tumors to genetics to various other triggers. Now, the heart's health and the circulatory system that supports it has joined the list of elements that can contribute to the development of dementia.
Vascular Dementia Caused By Poor Blood Flow To The Brain
Although many people associate Alzheimer's disease as the main driver of cognitive difficulties, there are many different types of dementia. Vascular dementia is the type thought to be caused by poor blood flow to the brain. It follows that problems with the heart and blood vessels that supply oxygen and nutrients to the brain --- the vascular system --- would also lead to an increased risk of dementia. Although memory loss can be caused by vascular dementia, its symptoms are more commonly associated with problems in decision-making, reasoning, speaking or understanding speech, and visual-spatial issues.
Heart-Healthy Lifestyle Changes Also Lower The Risk Of Dementia
The link between a healthy heart and a lowered risk of dementia gained further credence after a 2018 study in France that followed more than 6500 people who were 65 or older. The researchers measured the participants based on how closely they adhered to the guidelines in the American Heart Association's “Life's Simple 7” recommendations in these areas:
- Managing blood pressure, cholesterol, and blood sugar
- Giving up smoking
- Regular exercise
- Having a diet rich in vegetables, fruit, and fish
- Maintaining a healthy weight
After eight years, 11.2% of the study participants had developed dementia. However, the more participants successfully followed the “Simple 7” heart health guidelines, the greater their tendency to avoid dementia. Specifically, among those who followed at least five of the seven factors, just 7.9% developed dementia, with the risk dropping a further 10% for each additional metric.
According to the study's lead author, Cécilia Samieri, a professor of epidemiology at the University of Bordeaux, “Combining optimal cardiovascular metrics can reduce your risk for dementia. You don't have to be perfect, but you reduce your risk each time you add a factor.”
Start Now For A Healthy Heart And A Sharper Mind
Take care of your heart, and you’ll be on the road to a reduced risk of cognitive problems as you get older. Start with a healthy diet and regular exercise. If you smoke, it's time to quit. Those steps, along with regular visits to your doctor to measure and control your blood pressure, cholesterol, and blood sugar, can help keep your heart, brain, and every other part of you going strong for years to come.
References:
Better Heart Health May Mean Lower Dementia Risk In Older People
Dementia And Heart Health: Are They Related?