BEIJING — With its slim white body and glowing amber tip, it can easily pass as a regular cigarette. It even emits what look like curlicues of white smoke. The Ruyan V8, which produces a nicotine-infused mist absorbed directly into the lungs, is just one of a rapidly growing array of electronic cigarettes attracting attention [...]

Greg Mullins is like most smokers, the oral fixation of lighting up eases tension. Mullins said his addiction was so bad that he smoked about 30 cigarettes a day. “I would wake up some morning coughing up blood. Not think twice about it, light up another Newport. Just part of the addiction, you know,” Mullins [...]