For example, many heart attack patients have undergone thrombolysis, a procedure that involves injecting a clot-dissolving agent to restore blood flow in a coronary artery (View an illustration of coronary arteries). This procedure is administered within a few (usually three) hours of a heart attack.
Hon Lik invented the e-cigarette to quit smoking â but now he's a dual user. Hon Lik, inventor of the e-cigarette, uses one of the devices in London on Tuesday. Hon Lik, the inventor of the e-cigarette, had hoped to kick his heavy smoking â the habit that killed his father. But the pharmacist, from Shenyang in north-east China, did not manage to quit. He now uses both â but says he only smokes tobacco because he has to check the flavours in his devices.
E-cigarettes are rising in popularity among youths. âTheyâre novel, interesting and a little bit rebellious,â says researcher Sherry Emery. Photo: Jason Beaumont. A young man lifts a metal tube to his lips, inhales and then expels a surprisingly large white cloud of smoke. It looks like smoking, but heâs âvapingâ â breathing in tobacco-less water vapor â via an electronic cigarette. Itâs an increasingly common sight as the devices become more popular. One out of 10 high school students used e-cigs in 2012, along with nearly 3 percent of middle school students, according to a new federal report.