Talking on a mobile phone while driving your car is just as dangerous when using hands-free equipment as when holding the phone in your hand, according to a Swedish study published on Monday.

The National Road Administration (SNRA) tested 48 people in driving simulators, dividing them into two groups — one with and the one without hands-free mobile phone devices.

The drivers in both groups received about 10 phone calls each during 1.5 hours of simulated driving in different conditions. The test revealed almost no difference in reaction time between the two groups.
More here.