Lack of Exercise and Inactivity 'killing as many as Smoking'

A lack of exercise is now causing as many deaths as smoking across the world, a study suggests.

The report, published in the Lancet to coincide with the build-up to the Olympics, estimates that about a third of adults are not doing enough physical activity, causing 5.3m deaths a year.

That equates to about one in 10 deaths from diseases such as heart disease, diabetes and breast and colon cancer.

Researchers said the problem was now so bad it should be treated as a pandemic.

And they said tackling it required a new way of thinking, suggesting the public needed to be warned about the dangers of inactivity rather than just reminded of the benefits of being active.

The team of 33 researchers drawn from centres across the world also said governments needed to look at ways to make physical activity more convenient, affordable and safer.

It is recommended that adults do 150 minutes of moderate exercise, such as brisk walking, cycling or gardening, each week.

The Lancet study found people in higher income countries were the least active with those in the UK among the worst, as nearly two-thirds of adults were judged not to be doing enough.

The researchers admitted comparisons between countries were difficult because the way activity was estimated may have differed from place to place.

Nonetheless, they said they remained confident that their overall conclusion was valid.

Pedro Hallal, one of the lead researchers, said: "With the upcoming 2012 Olympic Games, sport and physical activity will attract tremendous worldwide attention.

"Although the world will be watching elite athletes from many countries compete in sporting events... most spectators will be quite inactive.

"The global challenge is clear - make physical activity a public health priority throughout the world to improve health and reduce the burden of disease."

Prof Lindsey Davies, president of the UK Faculty of Public Health, agreed.

"We need to do all we can to make it easy for people to look after their health and get active as part of their daily lives," she said.

"Our environment has a significant part to play. For example, people who feel unsafe in their local park will be less likely to use it."

But others questioned equating smoking with inactivity.

While smoking and inactivity kill a similar number of people, smoking rates are much lower than the number of inactive people, making smoking more risky to the individual.

Dr Claire Knight, of Cancer Research UK, said: "When it comes to preventing cancer, stopping smoking is by far the most important thing you can do."

Source:
https://www.bbc.com/news/uk-wales-politics-18876880


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Too Much Sleeping and Sitting Increases Chances Of Early Death

Sleeping more than nine hours a night, and sitting too much during the day could be a hazardous combination, particularly when added to a lack of exercise, according to new research from the University of Sydney’s 45 and Up Study.

The findings, published today in the journal PLOS Medicine, show that a person who sleeps too much, sits too much and isn’t physically active enough is more than four times as likely to die early as a person without those unhealthy lifestyle habits. (Too much sitting equates to more than 7 hours a day and too little exercise is defined as less than 150 minutes a week.)

“Evidence has increased in recent years to show that too much sitting is bad for you and there is growing understanding about the impact of sleep on our health but this is the first study to look at how those things might act together,” said lead author Dr Melody Ding.

“When you add a lack of exercise into the mix, you get a type of ‘triple whammy’ effect. Our study shows that we should really be taking these behaviours together as seriously as we do other risk factors such as levels of drinking and unhealthy eating patterns. ”

Dr Ding and her colleagues from the University of Sydney analysed the health behaviours of more than 230,000 of the participants in the 45 and Up Study – Australia’s largest study – which is looking at the health of our population as we age.

They looked at lifestyle behaviours that are already known to increase the risk of death and disease – smoking, high alcohol intake, poor diet and being physically inactive – and added excess sitting time and too little/too much sleep into the equation. They then looked at different combinations of all of these risk factors to see which groupings had the most impact on a person’s risk of dying prematurely from any cause.

As well as new evidence on the risky combination of prolonged sleep, sitting and lack of exercise, the researchers also found another problematic triple threat: smoking, high alcohol intake and lack of sleep (less than 7 hours a night) is also linked to a more than four-times greater risk of early death

And several other combinations led to more than double the risk of early death:
Being physically inactive + too much sleep
Being physically inactive + too much sitting
Smoking + high alcohol intake

“The take-home message from this research – for doctors, health planners and researchers – is that if we want to design public health programs that will reduce the massive burden and cost of lifestyle-related disease we should focus on how these risk factors work together rather than in isolation,” said study co-author Professor Adrian Bauman.

“These non-communicable diseases (such as heart disease, diabetes and cancer) now kill more than 38 million people around the world – and cause more deaths than infectious disease. Better understanding what combination of risk behaviours poses the biggest threat will guide us on where to best target scarce resources to address this major – and growing – international problem.”

About the 45 and Up Study

The 45 and Up Study is the largest ongoing study of healthy ageing in the Southern Hemisphere involving a quarter of a million people – one in every 10 men and women aged 45 and over in NSW.

Over time, we are asking all participants ongoing questions about their health, lifestyle, and the medications they use. It is providing the first large-scale, comprehensive measure of health as people move from mid to later life and allowing governments and health policy makers to better plan health services and programs for our ageing population.

It is an accessible resource that researchers and policy-makers can apply to use. More than 580 researchers have used the Study in their work, and numerous policy agencies are also using it directly to help them address important questions about designing and delivering health services.

Source:
https://sydney.edu.au/news-opinion/news/2015/12/09/long-nights-and-lazy-days-could-send-you-to-an-early-grave--45-a.html


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