Yet another study that demonstrates the obvious - it is dangerous and distracts drivers:

The study, conducted by researchers at the University of Illinois, found that drivers have a greater difficulty maintaining a fixed speed or keeping their vehicle safe in a lane when they performed tasks that simulated those of talking on a cellphone.

Enough with the studies - do something.

One other thing - are they’re their there any editors left at the Globe?:

There was also some indication that, while speaking, drivers were able to improve their lane control, although their ability to control there speed decreased.