Search For Parkinson's Genes Turns To Online Social Networking

Image: Submitting a DNA sample to social networking company 23andMe entails spitting a saliva sample into a tube like this and sending it in.

submitted by Luis Kun

npr.org - August 20th, 2012 - Gretchen Cuda-Kroen

There's a growing interest in what our genes say about our health. And in recent years, quite a few companies have sprung up to help us listen with the help of personalized DNA tests.

For a few hundred dollars and a vial of spit, these companies will search your DNA for sequences that predict your physical traits, your response to certain drugs and your risk for any number of diseases.

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