New research finds that sperm quality in a population of stud dogs studied over a 26-year period had fallen significantly.

"It doesn't matter how old you are or if you're in a wealthy country or a poorer one or if you've had it before—you can get it again," says Sarah M. Bartsch. "And it is really unpleasant. But if we don't focus on norovirus and teach people how to prevent it, little headway will be made to combat it."

A new study of pigeons in New York City shows that levels of lead in the birds track with neighborhoods where children show high levels of lead exposure.

 “Calais Jungle Camp littered with asbestos”; “Buckingham Palace could be vacated to remove asbestos”; “Safety concerns for refugees and workers as Nauru asbestos removal programme kicks off”.

Asthma patients who live near major Pennsylvania fracking sites are as much as four times more likely to suffer attacks than those farther away, a new study shows.

A new study backs up concerns about exposure to the chemical Bisphenol A, or BPA, from food cans and jar lids.

Summer holidays are upon us, and many of us will finally get to spend some lazy days by the pool. But how can you ensure this pleasant experience doesn’t leave you with any nasty surprises?

BBP is not used in food preparation, but it is used in the conveyor belts and plastic fittings on machines used to process many prepared foods. Food becomes contaminated when BBP leeches into it from the plastic.

"People who live in rural areas and who use private wells need to have their well water tested, particularly if they are thinking about becoming pregnant," Jean Brender says.

Hospital infections affect almost two million people in the United States every year, 100,000 of whom die. Up to 70 percent of these infections could be prevented if health care workers follow recommended protocols, which include hand hygiene.

Even though most people don’t know much about chemicals in general or poisons in particular, virtually everyone knows that arsenic is bad. In the first century, arsenic was already known to be a deadly poison .

The bulk of the products were in the category of household paints and primers, using the chemicals as fragrance under brand names like X-O Rust, Premium Décor, and Start Right

Almost every product we purchase, use in our homes or give to our children contains tens, if not hundreds, of chemicals. The United States chemical industry alone produced US$769.4 billion worth of chemicals in 2012.

The calls and e-mails arrive as often as several times a week from people with concerns about drinking water. Some of the callers — who include homeowners, architects and builders — want to know why their water smells like gasoline.

Even after taking into account residents' wealth, age, sex, and other neighborhood factors, the study found that having a view of the ocean was associated with improved mental health.

The mice in the enriched environment, where they exercised more, lived anywhere from 16 to 22 percent longer than those in a deprived environment, depending on the level of gene expression.

A good night’s sleep is a crucial aspect to overall health and well-being, yet so many Americans are lacking in that department. A 2013 Gallup poll found that 40% of American adults get less than the recommended amount of sleep.

"This is a global issue rather than one that's simply isolated in China; multidrug resistance is just a plane ride away," says James Tiedje.

The Dutch famine of 1944 was a terrible time for many in the Netherlands – with around 4.5m people affected and reliant on soup kitchens after food supplies were stopped from getting into the area by German blockades. As many as 22,000 people were thought to have died, and those who survived would find...

A new water filter can remove toxic heavy metal ions and radioactive substances in just one pass.