China closed down 3,176 companies last year for violations of environmental regulations as part of a nationwide effort to control industrial pollution.
An outbreak of the mumps that began in the Canadian province of Nova Scotia has spreaf across the nation, infecting at least 203 people.
Doctors in Britain are revealing for the first time that many health treatments will need to be rationed in the future.
An Australian medical study has found that the teenage years of children are critical in determining their future weight.
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