Doctors have successfully transplanted windpipes into two cancer patients in an innovative procedure that uses stem cells to allow a donated trachea to regenerate tissue and create an organ biologically close to the original, they said Friday.
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When professional athletes in sports like football and rugby are injured, they commonly get injections of pain-numbing anesthetics to help them stay in the game. Now a new study suggests that, while safety concerns remain, most athletes may not su…
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Little harm seen from painkiller shots for pro athletes
A disagreement among poultry producers about whether chicken injected with salt, water and other ingredients can be promoted as “natural” has prompted federal officials to consider changing labeling guidelines.
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Chicken producers debate ‘natural’ label
Sanofi-Aventis failed to follow proper manufacturing procedures at a vaccine plant in France, U.S. regulators said in a letter released on Thursday.
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FDA finds problems at Sanofi vaccine plant
Scientists have shown for the first time that it may be possible to replace a human hip or knee with a joint grown naturally inside the body using the patient's stem cells.
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Stemcells coaxed to rebuild bone, cartilage
A fleet of 6,000 bicycles for hire will hit the streets of central London on Friday when the city's mayor Boris Johnson launches a scheme intended to fuel a cycling revolution in the congested capital.
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Hire scheme aims to get Londoners on bikes
The 24,000 New York City restaurants began showing their grades Wednesday — A, B, or C — under a new system of ranking sanitary conditions by the city's health department.
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New York introduces sanitary grades for restaurants