May 24, 2011

Nova Scotia Car Accident Claims - Hands Free Cell Phones Don’t Reduce Traffic Risks

I was driving to work this morning and some lady talking on her cell phone almost sideswiped me when she swerved into my lane of traffic. She wasn't holding the cell phone. She was using a headset. But she didn't have a clue about the rush hour traffic that was surrounding her.

Hand Held Cell Phone Ban
It has now been three years since Nova Scotia introduced its law requiring drivers to use hands free cell phones.

However, recent research suggests that the use of hands free cell phones does not reduce the risk associated with cell phones and traffic safety.

The debate about cell phone use while driving basically boils down into two groups. Those who support a partial ban which prohibits the use of hand held cell phones while driving (the Nova Scotia solution) and those jurisdictions that require a total ban on the use of hand held and hands free cell phones while driving.

Cognitive Distraction

The debate revolves around a principle known and “cognitive distraction”. In 2006 psychologists at the University of Utah published a study showing that drivers talking on hand held or hands free cell phones showed the same level of impairment as drunk drivers.

The National Highway Traffic Safety Administration has published studies indicating that whether a driver uses a hand held or hands free phone the level of cognitive distraction is enough to significantly impair a driver’s performance.

The National Safety Council has published a report entitled Understanding the Distracted Brain…Why Driving While Using Hands Free Cell Phones is Risky Behavior”. According to the report drivers using hands free cell phones have a tendency to “look at” but not “see” objects. The report estimates that drivers using hands free cell phones fail to see up to 50% of the information in their driving environment.

It's pretty clear that the lady that almost crashed into me today didn't "see" the 1627 kilograms of metal that was driving beside her. I think my car's horn interrupted her conversation because she gave me a nasty look.

Drive safe everyone.

Further Resources

Experimental Studies of Driver Cognitive Distraction Caused by Cell Phone Use

Driven to Distraction : FAQ

Understanding Cognitive Distraction - Distracted Driving FAQ: Video

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April 15, 2011

Do Helmets Increase Risk of Head Injury?

If there is one thing that everyone knows it's that wearing a helmet reduces the risk of head injury. Or does it?

Risky Business?

New research published by Mikael Colvill-Andersen suggests that people who wear helmets are more likely to engage in the type of risky behavior that results in head injuries.

Colvill-Anderson claims:

“There are actually scientific studies that show your risk of brain injuries is higher when you’re wearing a helmet, and that you have a 14% greater chance of getting into an accident with a helmet on…”

Controversial...or Just Dangerous?

Needless to say, Colvill-Anderson's statements have raised a storm of controversy among doctors, brain injury organizations and sports organizations.

Helmet Laws Reduce Injuries

Most provinces have laws requiring people to wear helmets when they ride bicycles. Ontario’s helmet law was passed in 1995 and a test conducted by Toronto’s Hospital for Sick Children found that bicycle fatalities among children dropped after the legislation was introduced. However, bicycle fatalities among adults (who were not covered by the helmet law) remained the same.

Colville-Andersen’s research is based on the “risk homeostasis” theory that everyone has a "preset" level of risk tolerance. The theory suggests that when you do something to decrease your risk of injury you compensate by engaging in more risky behavior.

For example, the risk homeostasis theory states that if someone decreases their risk by wearing a seat belt they may unconsciously drive faster.

It appears that the weight of scientific evidence is critical of the risk homeostasis theory.

Helmets or No Helmets?

While some sports require helmets as a condition of playing (hockey and football are obvious examples) other sports that some might consider equally violent actually ban helmets, rugby and lacrosse for example.

What Do You Think?

If you wear a helmet are you more likely to engage in risk taking behavior? Or are helmets just a common sense way of preventing concussions and brain injury?

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