During commercials, an overlay will appear at the bottom of the screen, prompting viewers to press a button to request a free sample or order a coupon or a catalogue.
Since the Crime and Security Act became law last year, police have had powers to force thousands of past offenders across England and Wales to provide a DNA sample in order to help solve serious crimes such as murder, rape and manslaughter dating back up to 40 years.
"We are now collaborating with colleagues to sample patients in order to demonstrate the strengths, as well as limitations, of breath analysis more comprehensively, " she said.