Should healthy people take aspirin to ward off heart disease? 

Nigerian health authorities on Tuesday declared a new outbreak of Lassa fever that has killed 16 people since early January, despite successfully containing the disease last year.

A researcher who claimed to have created the world's first genetically-edited babies will face a Chinese police investigation, state media said Monday, as authorities confirmed that a second woman fell pregnant during the experiment.

At least 40 people have died and more than 1,000 have tested positive for swine flu since the beginning of this year in a western Indian state popular with foreigners, authorities said Friday. 

World cycling's governing body, the UCI, is to ban painkiller tramadol from March 1 and will punish offenders with penalties ranging from a fine to a nine-month suspension.

Vlastimil Gular's life took an unwelcome turn a year ago: minor surgery on his vocal cords revealed throat cancer, which led to the loss of his larynx and with it, his voice.

But the 51-year-old father of four is still chatting away using his own voice rather than the tinny timbre of a robot, thanks to an innovative app developed by two Czech universities.

CORRECTS background on when Sisi came to power in 12th par of this story which moved on December 26. Here is a correction repetition:

A federal judge in Texas ruled Friday that the US health care law known as Obamacare is unconstitutional -- a ruling that opposition Democrats vowed to appeal.

The World Health Organization said Monday it is creating a panel to study the implications of gene editing after a Chinese scientist controversially claimed to have created the world's first genetically-edited babies.

The youngest children in a given class at school are more likely to be diagnosed with an attention deficit disorder than those older than them, according to an American study triggering renewed debate on overdiagnosing.