Air pollution changes what bugs colonise our airways
Higher levels of pollutants in the air correlate with reduced diversity of bacteria in our nose, hinting at a possible mechanism for why pollution causes disease
Eating more salt might save your life? Not so much
The Salt Fix is the latest book attempting to overturn well-established dietary advice, but it leaves a bad taste, says Anthony Warner
Worrying we are ill when we aren’t is not as bad as it seems
Extreme health anxiety can be crippling but a lot of today's internet-fuelled "cyberchondria" doesn't need formal psychological treatment, says Zara Aziz
How US diplomats may have been attacked by sonic weapons in Cuba
Acoustic weapons are shrouded in mystery - now, US and Canadian diplomats seem to be suffering from the symptoms of an attack. Here's what could have happened
Type 1 diabetes may be halted by experimental immunotherapy
For the first time, an immunotherapy approach for treating type 1 diabetes has been found to be safe, and it seems to stop the condition from getting worse
CRISPR skin grafts could replace insulin injections for diabetes
Skin grafts of gene-edited cells have boosted insulin levels in mice, and protected them from gaining weight and developing diabetes under a high-fat diet
On the trail of dragons with blood that can save people’s lives
The gigantic Komodo dragons of Indonesia have been known to kill people – but their blood is rich with peptides that may destroy antibiotic-resistant bacteria
US plan to cut smoking with non-addictive cigarettes has flaws
A bold proposal in the US to cut cigarette nicotine to sub-addictive levels is interesting, but there are big challenges to making it work, says Linda Bauld
Lectin-free is the new food fad that deserves to be skewered
With echoes of the gluten-free craze, lectins are being wrongly vilified with a glut of questionable health claims, says Anthony Warner
Your eardrums move in sync with your eyes but we don’t know why
It turns out our eardrums seem to change position in coordination with our eye movements. This may help our brains link what we see and hear