This article was reported in collaboration with Le Monde and Reporters United, a Greek nonprofit. A prominent nicotine researcher who has maintained he is independent from the industry was paid by vaping giant Juul to lobby Israel’s health ministry over a ban on high-strength e-cigarettes. Greek cardiologist Konstantinos Farsalinos was paid 7,000 euros (about $8,100) by Juul via a company he co-owns, according to Juul emails reviewed by The Examination, Le Monde and Reporters United.