Rice is a major source of arsenic exposure
Findings add to growing concerns about health risks.
Researchers have verified that rice – grown and cooked in water – is a key food source of inorganic arsenic Long-ter...
Barbecued meat: how to reduce cancer risk
Population analysis suggests much more research needed.
Barbecue-cooked meat represents a significant cancer risk, according to Danish researchers. Their findings, publis...
US must lead in Ebola fight, experts say
Epidemic in Congo needs urgent international attention.
Public health experts are urging the United States to mobilise resources against an Ebola outbreak in the Democratic ...
Revealed: why humans don’t have hairy palms
Researchers find a protein that blocks hair growth.
We may finally have a clue to why humans don’t have hair on the undersides of hands and feet. In a paper published i...
Psychotic experiences boost suicide risk
Short episodes are associated with suicidal behaviour.
Psychotic experiences – hallucinations or periods of delusional beliefs – strongly correlate with later suicide attem...
Cancer treatments linked to cognitive decline
Study looks at DNA damage from radiation and chemotherapy.
Cancer treatments can lead to declines in cognitive function a few years later, research suggests. A study published...
The ethical quandary of human infection studies
Using poor but healthy people as guinea pigs raises questions.
In February of last year, 64 healthy adult Kenyans checked into a university residence in the coastal town of Kilifi....
Fat or no fat? More research is needed
Medicos call for more light and less heat in the diet debate.
Although the keto diet, which requires people to get 70% of their calories from fat, has gained popularity in recent ...
The bugs you breathe in vary by season
Airborne microbe populations wax and wane across the year.
Researchers in Spain have demonstrated seasonal changes in the population of microbes that swirl through the air. In...
What happens when we breathe in bacteria
Researchers identify complex system in nostrils.
This anatomical illustration only hints at the extraordinary complexity of what goes on inside a nose. ilbusca/Gett...
Which body parts will stem cells deliver first?
The wait for human stem cells to deliver spare parts.
On 6 November 1998, the world woke to news of an astonishing discovery. James Thomson and his colleagues at the Unive...
Major study finds smaller role for genes in ageing
Social factors more influential than genetics, analysis finds.
A surprising new study combined family trees from over 400 million people and discovered that genes play a considerab...