By Matthew LeblancOriginal Source: journalgazette.netThe increased popularity of e-cigarettes among young people is reversing decades of work to turn youth away from nicotine, public health experts said today.Fewer middle and high school-age people are smoking, but use of e-cigarettes – which look like USB drives and contain nicotine, the addictive ingredient also found in cigarettes – is rising, they said, and the harmful chemicals included in the devices can affect heart and brain function.Allen County Health Commissioner Dr. Deborah McMahan called the trend an impending epidemic in a presentation this morning at McMillen Health, and other doctors who spoke urged state and federal lawmakers to regulate the devices and ban the often sweet flavors that make them attractive to young people...click here to continue reading