Health

Asthma study sparks debate about safety of cooking with gas

New research that links cooking with natural gas to around 12 percent of childhood asthma cases has sparked debate about the health risks of kitchen stoves, as well as calls in the United States for stepped-up regulation.

Health

Ambulance workers walk out in strike-hit UK

Striking ambulance workers in England and Wales manned picket lines on Wednesday, escalating a pay dispute between the government and a host of public-sector staff.

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