Harmful substances in e-cigarettes assessed While e-cigarettes are less harmful to health than tobacco cigarettes, the vapour from an e-cigarette contains substances and chemical impurities in concentrations that could be detrimental to heal
New bacterium in ticks Last year, a man was treated at the Amsterdam Academic Medical Centre (AMC) after being bitten by a tick and becoming infected with a strain of the Borrelia bacterium not previously encountered in