Girl famous for overcoming obesity now a 13-year-old athlete

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Girl Famous for Overcoming Obesity Now a 13-Year-Old Athlete

Breanna Bond became famous for losing 70 pounds in just over a year at age 9. Now 13, she's keeping up her active lifestyle, recently completing the swim from Alcatraz to San Francisco during National Childhood Obesity Month this September.

Breanna's mom, Heidi Bond, has since written a book on healthy eating and exercise habits. She spoke with WBCL this month and talked about some of the misunderstandings about childhood obesity.

SEE MORE: A few simple choices can help fight childhood obesity

"I was convinced since I wasn't overweight, and I never exercised a day in my life and I was eating the same foods that it had to be something medical. Because I didn't understand how a kindergartner could weigh 100 pounds and a 9-year-old could weigh 186 pounds," Heidi said in an interview with WBLC.

A number of factors contribute to childhood obesity, including genes, diet and exercise.

Click through to see more photos of Breanna and her incredible transformation:

8 PHOTOS
Breanna Bond
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Girl famous for overcoming obesity now a 13-year-old athlete
My book release "Who's the New Kid?" Is May 19. Change is coming my friends. #Tyndale http://t.co/xaMU52rtj5
"You never know how strong you have to be until being strong is the only choice you have!" -Missy Franklin #obesity http://t.co/ox1PQRNoy0
Always use encouraging words. Words that build a persons confidence and self worth. ๐Ÿ˜Š http://t.co/6FMtOw6gIR
"Howdy Y'all " Going to the Clovis Rodeo๐ŸŽ‰ Have a great Weekend! http://t.co/GzjXUjtiBn
New addition to our gym. It is growing. Working out with my friends on the weekends.... Priceless๐ŸŽ‰ http://t.co/jC3KszYlTn
Swim meet in 27 degree weather. Jr Olympics here I come. ๐ŸŠโ„๐Ÿ˜ http://t.co/kgPvM9A6oK
Getting a run in at Pismo Beach with my new workout partner Nick. ๐Ÿ˜ƒ http://t.co/FrTB1WsNHe
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With a strict regimen of exercise, including swimming, walking and jogging, Breanna reached her goal weight.

Heidi says she hopes her daughter can inspire other kids and serve as the role model Breanna didn't have when she first started losing weight.

More from AOL.com:
Debunking 5 of the most common myths about weight loss
10 daily habits that are unknowingly making you bloated
How to easily transform your unhealthy eating habits into healthy ones

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