If that happens in the middle of the day or when youre unable to run out and grab a spare, youre up a creek
Factors such as body temperature and physical activities, like hyperventilation or holding your breath, can also influence BAC readings and contribute to false positives
Hegeds L, Bliddal H, Karstrup S, Bech K
Source: The Lancet, Volume 382, Issue , Page S66, 29 November 2013 National figures on smoking prevalence are available, but the researchers wanted to estimate smoking uptake among children, to provide some baseline data to inform efforts for preventive measures, and focus attention and resources on what is essentially a child protection issue. This is because taking up smoking at a young age is an even greater risk to health than starting later in life, they say