effects of smoking 40 cigarettes a day Quitting Smoking: For Days Lent, This Is What Would Happen To Your Body If You Stopped [INFOGRAPHIC] What Happens to Your Body

Our debaters: Jim Dudley, a 32-year veteran of the San Francisco Police Department where he retired as deputy chief of the Patrol Bureau, and Chief Joel Shults, EdD, who retired as chief of police in Colorado

We still have a lot to learn, but heres what we currently know

The challenge, of course, is to discover just how addicted you are to caffeine, and how that addiction affects the quality of your life

But, the mass spectrometry test is: More expensive More time-consuming Requires highly trained staff Results may not be available for days or even weeks Despite these factors, its higher degree of accuracy makes it a commonly used confirmatory measure following an initial positive result on an immunoassay