Research that produced genetically altered bird flu viruses that could pose a danger to people should remain on hold for now. But a panel of experts recommended the details of the experiments should be published.
The WHO upheld its guidelines on the safety of hormone injections for contraception yesterday, despite some data that users are at increased risk of HIV transmission. An expert panel says the evidence isn't solid yet, and at-risk couples should use a second method, like condoms, for HIV prevention.
Two studies in the Archives of Internal Medicine suggest short and long-term exposure to air pollution can increase the risk of stroke and cognitive declines. Study author Jennifer Weuve discusses the results, and why particulate matter and gases like ozone may harm the body.
Writing in the journal Nature, UCSF pediatrician Robert Lustig and colleagues suggest regulating sugar just like alcohol and tobacco--with taxes and age limits, for example--due to what they call the "toxic" effects of too much sweet stuff. Education, they say, is not enough.
A small group has gathered at the World Health Organization in Geneva to discuss a controversy over experiments that generated genetically altered viruses. After the meeting, which ends Friday, the WHO will announce what happened behind closed doors.
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