Electronic cigarettes could trigger liability claims similar to tobacco litigation lawsuits in the past if they prove to be more damaging to health than now understood, according to a report by Swiss Re Ltd. (SREN). Another risk is that e-cigarettes may cause death among smokers, the world’s second-biggest reinsurer said in the report on its website today. The report examines 26 "new emerging risk themes" to raise awareness. Governments are wrestling with how to regulate the $3 billion market for e-cigarettes and starting in mid-2016, advertising for them will be banned across the European Union.