A to Z Health Guide 2007

The scientific bulletin of the year may be the stem-cell breakthrough. But 2007 provided a whole alphabet of big medical news. TIME's A-to-Z guide reviews them

By Coco Masters, Alice Park, Carolyn Sayre, Tiffany Sharples, Alexandra Silver and Kate Stinchfield

EPA / CONSUMER PRODUCT SAFETY COMMISSION
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"Made in China" took on an ominous connotation this year as more than 20 million toys manufactured for companies like Mattel were recalled for unsafe levels of lead. The neurotoxin can accumulate in the body and cause learning and physical disabilities in children. While trace amounts are found in lipstick and candy — the FDA has set a limit of 0.1 parts per million — lead in paint and plastic used in toys is troublesome since children are more likely to ingest it while chewing and sucking on favorite playthings.

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