Love your cup of coffee? Here is one more
reason to love it even more - a recent research reveals coffee may have
beneficial effects on circulation.
The Japanese study, presented at the American
Heart Association's Scientific Sessions 2013 in Dallas, found that caffeinated
coffee improves circulation in small blood vessels
of healthy individuals, as compared to decaffeinated coffee.
The researchers studied the blood circulation
in a finger following drinking coffee
. The subjects were given a cup of either caffeinated or decaffeinated
coffee. After two days, they received a second cup of coffee, which was
different from the first one. Neither the subjects nor the researchers
examining the patients were aware of which coffee
was being consumed.
The researchers found that blood flow
increased by 30% in the fingers of 27 individuals after consuming caffeinated
coffee as compared to after drinking decaffeinated coffee.
The results of the study imply that by
improving circulation in small blood
, small amounts of
caffeinated coffee can improve cardiac and circulatory health.
However, the researchers also found that
blood pressure increased slightly after consuming caffeinated coffee as
compared to decaffeinated coffee. There was no change in heart rate
. This suggests that though coffee may improve
circulation in smaller blood vessels, at the same time, too much coffee may not
Since the study was small and the results
were based on intake of a small amount of coffee, further studies will be
necessary to validate these results.
Benefits of Caffeine
Caffeine, like most other substances, has
several benefits when used in small amounts, but may have some adverse effects
when used in large amounts. Some of the health benefits of caffeine are:
Caffeine stimulates the nervous system
and increases alertness and mental performance
Caffeine could also possibly protect
against Parkinson's disease
The milk in coffee may help to improve bone health
Harmful Effects of Coffee
Excessive coffee intake has been associated
with harmful effects like:
Gastritis and insomnia
Caffeine withdrawal has been associated
with symptoms of anxiety
It could have a possible association with abortion
Read more about the health benefits and harms
of caffeine at the link below: