Every living organism on the planet has a basic rule etched into their DNA: adapt or die.  At a very basic level, it’s no different with our bodies.  Our cells will collectively adapt to what we do or don’t do.  It doesn’t take an expert in biomechanics to realize that our bodies were designed to be on the move.  Only 10,000 years ago agriculture became the dominant lifestyle for our ancestors.  Prior to that, we were mostly nomadic and were either foraging or hunting for food.  Both of these activities required a significant amount of movement.

To put this in perspective, the earth is estimated to be 3.5 to 4 billion years old.  The Hominid species, to which we belong, has existed for approximately 4 to 6 million years.  Modern humans, commonly referred to as Homo Sapiens, have been around for about 200,000 years according to scientists.  So the 10,000 years agriculture has existed is a relative blip on the evolutionary timeline.  Even then, there was more physical activity as we tended our gardens and fields where crops grew.  The point is that our bodies have really had no time to adapt to sedentary lifestyles.  And, why would one want it to when it’s designed for and  capable of so many physical feats?

Add delivery food, scooters, cars, elevators, escalators, public transportation and the like to the equation, and it’s easy to see why we hardly have to move anymore.  The unfortunate reality is that some of this is necessary because of how society has evolved around work.  So, it is up to each one of us to take the initiative to get our bodies moving before natural selection gets the best of us (question to self: would our bodies ever really adapt to sloth, Big Macs, and pizza?).  Following are 3 reasons to engage in some sort of physical activity during the work day:

• Obesity - Studies continue to support the undeniable link between inactivity and gaining unhealthy weight.  The primary reason is food choice and how our body adapts to energy metabolism.  Essentially, the less active we become, the less efficient our bodies become at utilizing glucose (sugar) and lipids (fats).  And, if your meals resemble the S.A.D. (Standard American Diet) in any fashion, then highly-processed carbs are undoubtedly the cornerstone of you’re diet.  In addition to the plethora of diseases that arise from the inflammation caused by processed carbs, there is a more obvious and immediate impact.  When you consume a diet dominated by processed carbs and your activity level is too low, those extra calories that are not used by critical body systems (eg – nervous system) or stored as glycogen are stored as fat.  In simple tems, if you eat too many calories (processed carbs, in particular) and don’t move enough, you will get fat.

• Venous Thromboembolism- In addition to the obvious obesity risk, sitting for prolonged periods of time poses another, more subtle (but no less deadly) danger.  Deep vein thrombosis (DVT)/pulmonary embolism (PE), or venous thromboembolism,  is basically a blood clot in a deep vein.  We’ve all heard that we should get up and walk around on long flights.  DVT and PE is the reason experts recommend this.  This 2008 study conducted in New Zealand examined the link between seated immobility (office, home, flights) and venous thromboembolism.

• Heart Problems – A recent study published in the British Journal of Sports Medicine, suggests that sitting for long periods of time can lead to heart issues and worse.  The interesting part of this study was that scientists discovered that it may be more beneficial to spread your activity throughout the day as opposed to one long exercise session per day.  Many folks are relatively sedentary throughout the day, but exercise for a specific period of time after work.  Ironically, this may not be an efficient use of the time you set aside for physical activity.  Some of you are aware that exercise is cumulative.  For instance, if you performed 3, 10-minute bouts of activity, some experts say that equals 30 minutes of exercise for that day (take the steps, walk around your building, etc.).  Add a moderate or intense bout of exercise to that, and that should be sufficient for your daily activity.

In short, it would behoove you to get off your behind frequently throughout the day.  Inactivity breeds inactivity.  We can all find time during work to chat, surf the internet, or talk on the phone.  Do yourself, your health and your figure a favor – get up and move something.

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Some of you may have been reading about this for last few months, but some U.S. officials are proposing an excise tax for sugary soft drinks.  Health experts from New York, Yale and Harvard, among others claim current taxes don’t go far enough to curtail abuse of these beverages, which play a key role in the obesity epidemic.  They liken these taxes to the taxes currently imposed on tobacco companies.  The plan is to add a tax of one cent, per ounce of beverage, which will increase the cost by 15 to 20 percent.   The purpose of this is two fold: 1) to generate extra revenue at a federal and state level, which could be use to fund public health efforts (ahem, health care reform), 2) to discourage the over-consumption of these drinks, and hopefully affect obesity rates by decreasing daily caloric intake.

Not surprisingly, a large beverage industry group is vehemently opposed to any such taxes.  This group is composed of some familiar names – Welch’s, McDonald’s, Burger King and Pepsi.  They acknowledge a serious obesity problem, but argue that more “comprehensive” programs are needed.  I actually agree with their contention that more complete solutions are needed to fight obesity, but taxing crappy drinks/food is a decent start as far as I’m concerned.  I’m sure junk/processed/fast food is in the crosshairs as well.  Stay tuned.

Source: Reuters

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Source: Associated Press

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1. Soft Drink Tax To Fight Obesity