New York City's Board of Health has introduced new rules limiting the amount of juice children can drink at licensed city day cares.

The rules, aimed at cutting childhood obesity, were announced Monday.

According to the Daily News (http://nydn.us/1bpXpJE ), children must be at least 2 years old before they can have any juice at day care. They're allowed only four ounces a day of 100 percent juice.

The rules also call for cutting children's "sedentary time" to less than 30 minutes a day, compared to 60 minutes currently.

The "sedentary time" does not include naps, reading time and activities like puzzles and crafts.

The changes apply to non-residential day care programs and pre-schools regulated by the city.

Home-based day cares are regulated by the state, which has its own rules.

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Information from: Daily News, http://www.nydailynews.com