Tobacco use remains the most preventable cause of cancer, and 40 percent of diagnosed U.S. cancer cases may have a link to its use, health authorities said Thursday.

Lung cancer, acute myeloid leukemia, and tumors of the mouth and throat, voice box, esophagus, stomach, kidney, pancreas, liver, bladder, cervix, colon and rectum are all caused by tobacco use, according the report by the U.S. Centers for Disease Control and Prevention.

Authorities in Delhi on Monday closed schools, halted construction work and shut down a major power plant after days of choking smog led to warnings of a health "emergency" in the world's most polluted capital.

A showdown over shawarma has come to Dubai.

A state-owned newspaper reported on Wednesday that nearly half of all shawarma stands in Dubai either will be shut down or have stopped selling the popular Mideast street food.

Cancer will kill 5.5 million women -- about the population of Denmark -- per year by 2030, a near 60-percent increase in less than two decades, a report said Tuesday.

Myanmar has detected its first Zika infection with state media reporting Friday that a pregnant foreign woman had been diagnosed with the mosquito-borne virus.

A man looks with interest at the child sitting in front of him in the metro, as a voice asks off-screen: "Do you like children in ways that you shouldn't?"

"Help is available," adds the advertisement broadcast on German television and over the internet, urging people who feel sexually attracted to children to join a unique therapy program called "Don't offend" (Kein Taeter werden).

Like many women, Huda dreads her menstrual period every month. But it isn't simply inconvenient or painful: She lives under siege near Syria's Damascus, without sanitary pads or even clean water.

Young women in Western countries have caught up with their male counterparts in drinking habits, according to research published Tuesday.

Think autism and an image of an awkward boy typically emerges, but the way autism strikes girls — or doesn't — may help reveal some of the developmental disorder's frustrating secrets.

Autism is at least four times more common in boys, but scientists taking a closer look are finding some gender-based surprises: Many girls with autism have social skills that can mask the condition. And some girls do not show symptoms of autism even when they have the same genetic mutations seen in boys with the condition.

Heading a football can significantly affect a player's brain function and memory up to a day, a study by researchers at Scotland's Stirling University has said.