The U.S. state of Michigan has announced a ban on flavored nicotine vaping products, amid growing concern among health authorities over the impact of a product long promoted as less harmful than smoking.

Cancer has become the leading cause of death in rich nations, overtaking heart disease, according to the results of two landmark, decade-long global surveys of health trends released Tuesday.

U.S. officials are investigating the suspicious deaths of more than 10 patients at a government hospital for military veterans in West Virginia, two of which have been ruled homicides after autopsies revealed unexplained insulin injections.

German prosecutors are investigating a male nurse suspected of murdering numerous patients in a case reminiscent of one of the country's worst serial killers, it emerged Friday.

Lithuania's Prime Minister Saulius Skvernelis said Wednesday he has been diagnosed with lymphoma but will continue working as he undergoes cancer treatment.

French authorities said Wednesday that 10 more children living near what used to be the world's biggest arsenic mine have tested above recommended levels for the toxic element, stoking parents' fears that waste from the site is leaking into soil and groundwater.

Every year, the U.S. rejects thousands of kidneys from deceased older donors, the majority of which would have been used in France, according to a study published Monday that described the organs as a wasted resource that could save lives.

Former American football players who suffered concussions are more likely to develop low testosterone levels and erectile dysfunction in later life, a study reported Monday.

Some 200 anti-vaccine protesters rallied in Kiev Thursday after authorities threatened to ban unvaccinated children from schools in Ukraine, which is hit by a deadly measles outbreak.   

A woman died and several people were injured after a huge fire broke out inside a renowned hospital complex on the outskirts of Paris, French officials said Thursday.