Drinking up to four cups of coffee a day can slash the risk of diabetes by 25 per cent, according to new research.
The
study has found that drinking decaffeinated filtered coffee at
lunchtime is also the best time of day to have a cup to lower the
chances of diabetes.
The
risk of developing the condition also falls by a further seven to eight
per cent with each additional cup and the research also shows the drink
doesn't increase the chances of developing cancer, cardiovascular
disease, hypertension or stroke.
The
Institute for Scientific Information on Coffee in Switzerland marked
World Diabetes Day today by publishing its annual diabetes report, which
gathered together research which highlighted the health benefits of
caffeine.
One
of the studies said that three to four cups of coffee a day may reduce
the risk of developing diabetes by a quarter when compared to having
less than two cups a day.
The
report said there are number of processes why this is the case,
including the possibility coffee improves glucose, energy metabolism and
burns more calories.
It
added: 'Alternatively, coffee could affect insulin sensitivity in the
body. A 2014 study of Japanese men suggested higher coffee consumption
may be protected against insulin resistance in normal weight
individuals.
'Another
possibility is it could simply be an effect of calorie displacement,
where choosing coffee over a sugary drink leads to a reduction in
calorie consumption.'
In
analysis the researchers found the incidence of Type 2 diabetes, the
form that develops in adulthood and is associated with obesity, fell by
12 per cent for every two additional cups a day.
Additionally,
a large US prospective cohort study showed that increasing coffee
consumption by one cup per day over a four year period resulted in an 11
per cent lower risk of Type 2 diabetes in the subsequent four years.
Those who decreased coffee intake by one cup a day had a 17 per cent higher risk.
Research has also suggested the time of coffee consumption could play a distinct role in glucose metabolism.
A study of almost 70,000 French women found drinking coffee, especially at lunchtime, reduced the risk of developing diabetes.
More
than 380 million people worldwide, including more than three million in
the UK, have diabetes, making it one of the most significant global
health problems.
Recent
work also suggests the type of coffee may also affect the link, with
filtered and decaffeinated exhibiting greater protection than boiled and
caffeinated drinks.
The
report explained: 'The research outlined in this report suggests that
regular moderate coffee consumption may actually decrease an
individual’s risk of developing Type 2 diabetes.
'Furthermore,
a dose-dependent, inverse association between both coffee drinking and
total mortality has been demonstrated in the general population, as well
as among diabetics.
A 2014 study of Japanese men suggested higher coffee consumption may be protected against insulin resistance
'Studies
have also found that drinking coffee does not increase cancer risk in
the diabetic population, nor does it cause cardiovascular disease,
hypertension or stroke.
'Although
more research is needed to make firm conclusions, the findings suggest
that coffee in moderation can be safely enjoyed by the healthy as well
as by the diabetic population and might even be helpful in Type 2
diabetes prevention.'
The
Institute for Scientific Information on Coffee (ISIC) was established
in 1990 and is devoted to the study and disclosure of science related to
'coffee and health'.
Its members are major European coffee companies including Lavazza and Nestlé.
However some experts have warned that despite the new report, drinking coffee does not actively reduce the diabetes risk.
Dr
Richard Elliot from the charity Diabetes UK said: 'The studies
highlighted in this report found people who drank more coffee tended to
have a lower risk of developing Type 2 diabetes, but this does not mean
drinking more coffee actively reduces your diabetes risk.
'Other
factors not identified by these studies are also likely to be involved,
and further research will be needed find out what causes this link.
'What we do know is the best way to reduce your risk of Type 2 diabetes is to maintain a healthy weight.
'We recommend a healthy, balanced diet that is low in fat, salt and sugar.'
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