Parents are currently advised to switch toddlers to reduced-fat milk at age 2. David M. Goehring/Via Flickr hide caption

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A shopper at a branch of South African retailer Pick n Pay in Johannesburg. Health insurer Discovery offers rebates on health food at the chain to its members who enroll in a health promotion program. SIPHIWE SIBEKO/Reuters /Landov hide caption

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Japanese women drink green tea during an outdoor tea ceremony in Kobe, Japan. Making the brew a daily habit may be protective against stroke. Buddhika Weerasinghe/Getty Images hide caption

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Noah Zandan shows off his Zeo sleep-tracking headband. His other self-tracking devices are on his wrists. Noah and his father, Peter, are both part of the growing "Quantified Self" movement. Elise Hu/NPR hide caption

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All Tech Considered

Self-Tracking Apps To Help You 'Quantify' Yourself

Technology is making it easier than ever to track everything from your sleep cycles to the food you eat — and even your amino acid levels.

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A Coca-Cola mural in Vicksburg, Miss., where the soda was first bottled in 1894. Mississippi's governor is expected to sign a bill that would prevent the regulation of soda portion sizes by counties or towns. pratt/via Flickr hide caption

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A 3-D reconstruction of Mummy 38's CT scans shows calcification in her aorta and iliac arteries. Courtesy of The Lancet hide caption

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Washington Post food editor Joe Yonan has made the decision to go vegetarian. Cristian Baitg/ hide caption

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Most people polled in a new survey said government programs to make fresh fruits and vegetables more affordable sound like a great idea. hide caption

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The GetHealth app was a runner-up at the recent Hackovate Health Innovation Competition held in Kansas City, Mo. Courtesy of GetHealth Limited hide caption

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