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Adolescents in states with strict laws regulating the sale of snacks and sugary drinks in public schools gained less weight over a three-year period than those living in states with no such laws, a new study has found.
The study tracked weight changes for 6,300 students in 40 states between 2004 and 2007, following them from fifth to eighth grade.
They used the results to compare weight change over time in states with no laws regulating such food against those in states with strong laws and those with weak laws.
Researchers used a legal database to analyze state laws.
Strong laws were defined as those that set out detailed nutrition standards.
Laws were weak if they merely offered recommendations about foods for sale, for example, saying they should be healthy but not providing specific guidelines.
http://www.nytimes.com/2012/08/13/h...-with-tough-snack-and-sugary-drinks-laws.html
The study tracked weight changes for 6,300 students in 40 states between 2004 and 2007, following them from fifth to eighth grade.
They used the results to compare weight change over time in states with no laws regulating such food against those in states with strong laws and those with weak laws.
Researchers used a legal database to analyze state laws.
Strong laws were defined as those that set out detailed nutrition standards.
Laws were weak if they merely offered recommendations about foods for sale, for example, saying they should be healthy but not providing specific guidelines.
http://www.nytimes.com/2012/08/13/h...-with-tough-snack-and-sugary-drinks-laws.html