While asthma is a chronic disease with genetic roots, the triggers are environmental and can be substantially prevented.

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The search for the genetic roots of heart disease, diabetes and other common ills has yielded surprisingly little useful information for the average person.

FORBES: Companies, People, Ideas

Asthma is a disease with genetic roots and environmental triggers.

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What are the practical implications of all this evidence for the physical, genetic and environmental roots of violent behavior?

WSJ: Neurocriminology: Inside the Criminal Mind