Researcher has it that walking 25-minute a day can add seven years to
your life, scientists claim. New research has found that regular exercise can reduce the
risk of dying from a heart attack by half.
Even people who do not start exercising until they are in
their 70s can still improve their health, the academics behind the study say.
Sanjay Sharma, professor of cardiac diseases at St George's
University Hospitals NHS Foundation Trust in London, said gentle exercise can
reduce the risk of dying from a heart attack in the average person's 50s and
60s by half. This study is very relevant. It suggests that when people
exercise regularly they may be able to retard the process of ageing,' he said.
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'We may never avoid becoming completely old, but we may
delay the time we become old. We may look younger when we're 70 and may live
into our 90s.
'Exercise buys you three to seven additional years of life.
It is an anti-depressant, it improves cognitive function and there is now
evidence that it may retard the onset of dementia
He said everyone should be doing at least between 20 and 25
minutes of walking a day, involving brisk walking or slow jogging.
'If you know that something is 20 minutes away, try and walk
it if you've got time and not take the bus,' he added.
'People with a heart condition shouldn't run but walk to a
point where they can still speak - but they shouldn't be able to sing.
Following these simple directions is essential considering our sedentary
lifestyles.
He said exercise will bring benefits whatever age or
condition
People who start exercising at the age of 70 are less likely
to go on to develop atrialfibrillation, a heart rhythm condition that affects
about 10 per cent of people over 80.
The research was carried out by a team at Saarland
University in Germany, who introduced a group of non-exercising but otherwise
healthy and non-smoking people to a programme of exercise.
It showed that aerobic exercise, high intensity interval
training and strength training all have a positive impact on markers of ageing.
The authors found endurance exercise and high intensity
exercise to be more efficient at achieving good health than just lifting
weights, and is more likely to trigger the anti-ageing process.
Christi Deaton, professor at the Cambridge Institute of
Public Health, said: '
The more active you are, and it doesn't matter when you
start, the more benefit you are going to have.
'We recommend people who have cardiovascular disease or had
myocardial infarction or heart failure to be physically active, because it's
beneficial for them; so there's really no reason for healthy people not to
exercise as well.
'The study brings a bit more understanding of why physical
activity has that effect.
'It helps us understand the process of cellular ageing as
that's what drives our organ system and body ageing and the effects physical
activity can have on the cellular level
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