A new study is looking for links
between tea and coffee consumption, stroke and dementia. Advertising Catherine
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Coffee and tea are popular drinks
around the world, and stroke and dementia affect millions of people around the
world.
A recent study examined whether
there is a relationship between coffee and tea consumption, stroke, dementia,
and post-stroke dementia.
The authors found a relatively
weak association between the consumption of these drinks and the risk of
dementia and strokes.
In a new study, researcher
conclude that drinking coffee, tea, or both is associated with a reduced risk
of dementia or stroke.
However, research, published in
the journal PLOS Medicine, does not show that coffee and tea directly lead to
reduced risk. Scientists will need to do more research to understand if the
relationship is causal.
Although researchers have studied
the links between coffee, tea, stroke and dementia, there remains
"considerable controversy," as the authors of the new study explain.
Further, they write that
"the association between the combination of tea and coffee and the risk of
stroke and dementia and dementia after stroke is poorly understood." This
study fills this gap to some extent.
Dementia and stroke
According to the World Health
Organization (WHO), more than 55 million people from reliable sources around
the world suffer from dementia and it is the seventh leading cause of death in
the world.
Dementia is a general name for a
variety of symptoms characterized by progressive cognitive decline. It mainly
affects the elderly.
The Trusted Source Centers for
Disease Control and Prevention (CDC) notes that Alzheimer's disease is the most
common type of dementia.
Another major cause of death is
stroke, according to CDCTrusted Source. In the United States, more than 795,000
people have a strokes each year.A stroke occur when the blood supply to the
brain is blocked or when a blood vessel in the brain bursts. This causes death
or damages brain tissue.
Stroke and dementia share about
60% of the same risk and prevention factors. Stroke also greatly increases the
chances of developing dementia. Researchers have estimated that preventing
people from having a stroke could prevent a third of dementia cases.
Given the prevalence of dementia
and stroke, scientists want to understand what lifestyle factors influence
risk.
One of these lifestyle factors is
the consumption of tea and coffee. Many people around the world drink tea or
coffee regularly, which means that even a small potential effect could be
significant at the population level.
In the present study, the authors
note that some research has shown that drinking more tea or coffee is
associated with a reduced risk of dementia. However, there is little research
to determine whether a combination of tea and coffee is also associated with
the same effect.
Additionally, the study authors
note that there are conflicting results as to whether drinking coffee and tea
is associated with a reduced risk of stroke.
Therefore, the researchers
conducted a study on the relationship between dementia and stroke risk and the
consumption of tea, coffee, and a combination of tea and coffee.
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