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  Wellbeing is much more than just health and fitness.



Diabetes in the drivers seat


It is well known that truck drivers face an uphill slog when it comes to finding the time & opportunity for adequate exercise but it now appears that even if they are achieving their 30 minutes a day of huff and puff, that may still not be enough to ward off the dangers of all those hours spent sitting behind the wheel.

 

Recent research released by the International Diabetes Institute (IDI) has found that spending the majority of the day sitting down counteracts the positive effect of moderate-to-vigorous exercise.

 

Lead researcher at the IDI, David Dunstan, said the findings showed that exercise and being sedentary influenced health independently of each other.

 

"It does have widespread implications for workers who sit for six or seven hours a day," Associate Professor Dunstan said.

 

"The question is, is that 30 to 60 minutes (of recommended exercise) enough? Our research suggests it's not."

 

"You can spend two hours a day being very active, and the remaining 22 hours sitting on your rear end," Associate Professor Shaw said. While the two hours of exercise would be beneficial, doing nothing for so long would erode that benefit, he said.

 

It would appear that the best way to ensure that all the good work of vigorous exercise does not go to waste is to be as active as possible throughout the day.

 

Walking instead of standing still when talking on the phone, parking as far as possible from the truck stop and being on the constant lookout to fit in extra moves no matter where you are or what you are doing are just some of the ways you can make a big difference and keep Diabetes at bay.

 

Diabetes itself is a condition where the body cannot maintain normal blood glucose levels.

 

Insulin is a hormone that helps glucose move from the blood into the cells.  When the body does not produce enough insulin, the blood glucose level rises.

 

Diabetes affects an estimated 800,000 Australians, and many of these are not aware they have the disease.  If undetected or poorly controlled diabetes can lead to blindness, kidney failure, lower limb amputation, heart attack, stroke and impotence.

 

The Australian Governments “Health Insite” website advises of the following symptoms for Diabetes:

 

Symptoms for Type 1 Diabetes may occur suddenly and include:


Excessive thirst
Frequent urination including bedwetting
Excessive hunger
Unexplained weakness and fatigue
Weight loss
Blurred vision
Nausea and vomiting

 

The symptoms of Type 2 Diabetes have a gradual onset. They can be easily missed or mistaken as part of the normal aging process. They include:

 

Blurred vision;
Tiredness;
Urinating more frequently;
Feeling thirsty all the time;
Numbness and tingling in the feet or legs; and
Recurrent infections.

 

If these symptoms occur, you should see a doctor.  


Mobile Phones - killer in the cab?


 
Mobile phones have become an essential part of the truckies tool kit. From organising loads, keeping in touch with the office, calling for breakdown assistance and generally any need you can think of - the mobile phone is an indispensible part of our lives.
 
But sometimes it’s hard not to feel sorry for the humble mobile phone – blamed for everything from road accidents to cancer, they are now having the finger pointed at them for causing headaches, mood changes, confusion and sleeping disorders.
 
A recent report published in the Massachusetts Institute of Technology’s “Progress in Electromagnetics Research Symposium (PIERS)” has reported that of 71 volunteers participating in the study into the effects of exposure to mobile phone radiation, 28 showed noticible symptoms of radiation exposure after taking part in the study.
 
Researchers stated that “The study indicates that during laboratory exposure to 884 MHz wireless signals, components of sleep, believed to be important for recovery from daily wear and tear, are adversely affected”. They also reported that participants experienced more headaches and took longer to fall asleep after exposure to the radiation.
 
Interestingly the study was funded by the Mobile Manufacturers Forum who have since stated that they view the findings as “inconclusive”; highlighting the real problems with mobile phone related health concerns – how do we separate fact from fiction?
 
Another recent study has found that there is no link between mobile phone usage and a common brain tumor, glioma.  The report published in the British Medical Journal by Professor Patricia McKinney of the University of Leeds stated that “Overall we found no raised risk of glioma associated with regular mobile phone use and no association with time since first use, lifetime years of use, cumulative hours of use, or number or calls”.
 
Sweden's Karolinska Institute may disagree, having published findings that show that 10 or more years of mobile phone use doubled the risk of a tumour occurring on the side of the head where the phone was held.
 
Equally worrying for men are the findings by the University of Szeged that men who carry a mobile in their hip pocket, even in standby mode, could reduce their sperm count by as much as 30 per cent.
 
It would appear that for every million spent on proving that mobile phones are a health hazard, ten million is spent by large corporations proving that they aren’t.
 
It is possible that Professor Lawrie Challis, chairman of the Mobile Telecommunications and Health Research Programme, may have the best advice - in that with cancer having such a long latency period and mobile phones not having been in use long enough, it is just too soon to tell.
 
So what do we do in the meantime? Possibly the only solution is the old adage “everything in moderation” – use mobiles as little as possible, don’t have them near you unless you need them, use a landline wherever you can and don’t let the kids use them at all.
 
On a lighter note, Clarins - the giant French cosmetics company - have released a spray which they claim will protect you from the radiation emitted by your mobile phone.
 
The new product called "Expertise 3P" is said to contain molecules derived from microorganisms living near undersea volcanoes and from plants which survive in extreme conditions.  Apparently these molecules, when sprayed on daily, protect the skin from the bombardment of radiation emitted by your mobile.
 
So now when you need a rest break, you can freshen up in the cab with a quick spritz of  3P, tell your boss you're going to look after your health for an hour or so, and switch off that mobile - afterall he wouldn't want you to be exposed to too much radiation now would he?
 
        

Australia in top five for obesity.


 
Australia has ranked fifth in the world for obesity rates according to a report released this week by the Organisation for Economic Co-operation and Development (OECD).
 
The report, Health at a glance 2007 – OECD indicators, compares health data between the 30 member nations; predominantly the world’s most developed countries.
 
Australia ranked as having the fifth highest adult obesity rate with 21.7% of the population considered obese. The United States had the highest rate at  32.2% followed by Mexico with 30.2%, the United Kingdom with 23.0% and Greece at 21.9%.
 
Whilst the United States continues to hold the worst ranking, the report noted that Australians are growing fatter, faster.
 
“Using consistent measures of obesity over time, the rate of obesity has more than doubles over the past 20 years in the United States, whilst it has almost tripled in Australia” said the report.  
 
The Australian Institute of Health and Welfare (AIHW) which provided the statistics used for the Australian ranking on the report, has highlighted the indicators for increased future health costs to the nation.
 
“Given the time lag between the onset of obesity and subsequent health problems (such as diabetes and cardiovascular diseases), the growing incidence of obesity in most OECD countries, including Australia, may mean higher health care costs in the future”, noted AIHW spokesperson Ms Louise York. It has been estimated that obesity currently costs Australian taxpayers $1.5 billion every year in direct health costs.
 
Those who fall into the “overweight” category are even higher with more than 40% of Australian males having a Body Mass Index (BMI) of between 25.0 and 30.0. Overweight is considered to be a BMI of 25 – 29 (while obesity is a BMI or 30 or above). 
 
The BMI is calculated by dividing weight in kilograms by height in metres squared. For example, a man 1.70m in height and weighing 66kg would have a BMI of  22.84 (1.70x1.70= 2.89; 66 -:- 2.89 = 22.84) which falls within the healthy weight range as shown below.
 
Weight Classification           BMI
 
Underweight                         <18.50
Normal                                  18.50 – 24.99
Overweight                           > 25.00
Obese                                   > 30.00
 
Obesity is generally caused by an energy imbalance where the energy taken in via dietary intake is greater then that expended by physical activity. Good nutrition and adequate exercise are the key to maintaining a healthy weight and avoiding becoming a victim of cardiovascular disease, cancer, diabetes and a shortened lifespan.
 
While the solution to obesity – better nutrition and more exercise – seems simple in itself, modern living has added a great many challenges to achieving this goal and even more so for those involved in the transport industry where much of their lives are spent on the road with limited access to healthy foods and even less access to opportunities for exercise.
 
In order to avoid becoming another health related statistic and live a long and healthy life it is essential for drivers to become creative in their approach to a healthy lifestyle. When it comes to healthy eating choices a little knowledge goes a long way. For example one Hungry Jack’s Whopper contains 39g of fat compared to a Subway Roast Beef 6“ which has only 5g of fat. 
 
At the truck stops go for grilled not fried, choose a salad on the side rather than chips, choose fruit for desert rather than ice-cream. Bringing frozen pre-cooked meals from home has become a popular option with portable freezers allowing the meals to be kept frozen and fresh for long periods of time and microwaves/portable stoves making reheating quick and easy. 
 
Many drivers have set their trucks up as mobile kitchens and can be found grilling their own  lean steak for dinner. Most of our capital cities have shopping centres that can be parked nearby in a truck and endless access to a range of healthy ingredients for meals.
 
Finding time for exercise whilst on the road can be a little more daunting but certainly not impossible. Inevitable time spent waiting to be loaded or compulsory rest breaks provide opportunity for a brisk walk.  Wherever possible leave the wheel behind and use foot power instead. 
 
Walk from one end of the yard to the other, park at the far end of the parking lot and walk the rest of the way.  Use days off as an opportunity to do something seriously physical rather than hang around the house. Approach every day looking for opportunities to be active, even a few minutes taking the stairs instead of the lift add up when it is a regular part of your life.
 
When it comes to healthy living even small changes can make a very big difference. 

 

 

     

Retirement - a health hazard?


 
Long looked forward to as a stage in life where workers could pursue pleasurable activities rather than slogging away at the 9 to 5; new research is now suggesting that retirement may in fact shave years of our lie expectancy.
 
In a paper presented to last months'Institute of Actuaries of Australia, Darren Wickham argued that retirement is unnecessary and that we may be better off at work.
 
Studies undertaken by the Chicago University have found that 54% of people felt 'strong, creative, motivated, active and positive' while at work compared to only 18% experiencing these  feelings when away from work. Those not working were more likely to feel 'dull, weak and dissatisfied'.
 
Without the constant stimulation of rising to a challenge and having a true purpose in life, retired workers are likely to slip into depression and suffer a general loss of well being.
 
It would seem that we may be happier at work than we thought.
 
 

Primitive behaviour linked to lack of sleep


 
It's a well known fact that lack of sleep brings out the worst in a person's personality but now science is backing this up with proof that sleep deprivation re-wires the brains' natural functions.
 
Researchers at the Harvard Medical School have undertaken brain imaging of healthy individuals after two full days without sleep. The results have shown that sleeplessness redirects activity from the calming and rational prefrontal cortex to the "fear centre" - the amygdala.
 
"It's almost as though, without sleep, the brain had reverted back to more primitive patterns of activity, in that it was unable to put emotional experiences into context and produce controlled, appropriate responses," said Matthew Walker of the University of California Berkeley, who led the study.
 
It is commonly accepted that sleep is not only necessary for basic survival of the human body but that insufficient sleep causes the following: 
 
  • fatigue
  • reduced coordination
  • poor work performance
  • reduced alertness
  • slower than normal reaction time
  • poorer judgement
  • microsleep 
 
Staying awake for 24 hours has a similar effect on the body as a blood alcohol content of 0.1.
 
Symptoms of sleep deprivation include constant yawning, grogginess on waking, poor concentration and irritability.
 
While sleep requirements alter on an individual basis, adults generally need about 8 hours sleep, but any symptoms of sleep deprivation may indicate that even that is not sufficient.
 
All the more reason for drivers to ensure they are getting adequate rest!
 
 

Thursday
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Thursday, November 20, 2008





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