State hurdles to testing were once common but have dropped considerably in the past few years. Still, depending on which genomics company you choose, restrictions apply for a handful of states.
Credit: Rene Mansi / Getty Images
The 2014 Adventure Issue
From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
Plus: Building a Bigger Action Hero
ON NEWSSTANDS NOW
The Interpreters We Left Behind
The Rise of Cyclocross
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