For the first time in 13 years US health regulators have reportedly approved a weight-loss pill .
The medication expected to be launch in 2013 is called Belviq.
Belviq is designed to block appetite signals in the brain, making patients feel fuller with smaller amounts of food.
Belviq was rejected in 2010 because of concerns over tumours that developed in animals tested with the drug.
The company that makes the drug resubmitted its application with more data.
The US Food and Drug Administration (FDA) reportedly found little risk of tumours in humans using the drug.
http://www.bbc.co.uk/news/world-us-canada
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