Mexican diver Paola Espinosa, a medalist in the London Olympics, urged lawmakers to do more to ensure the nation no longer leads the world in childhood obesity.

"Pass laws that promote programs so we're no longer No. 1 in childhood obesity," Espinosa said Thursday in a ceremony at the lower house of Congress to honor 2012 Olympic and Paralympic medalists.

Obesity currently affects 29 percent of Mexican boys and girls between five and 11, 30 percent of children aged 12-19 and seven of 10 adults, according to the Health Secretariat.

Also attending the ceremony were divers Ivan Garcia, German Sanchez and Laura Sanchez and archer Aida Roman, as well as 10 Paralympic athletes.

Espinosa and partner Alejandra Orozco won a silver medal in the synchronized 10m platform at the London Games. 

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