Over the next decade, Facebook founder and CEO Mark Zuckerberg and his wife Priscilla Chan say they will invest $3 billion in a sweeping effort to cure all diseases in the lifetime of today's children.

"We are at the limit of our ability to alleviate suffering," Chan, a pediatrician, said this morning at an event in San Francisco. "We want to push back at that boundary.

<p>Over the next decade, Facebook founder and CEO Mark Zuckerberg and his wife Priscilla Chan say they will invest $3 billion in a sweeping effort to cure all diseases in the lifetime of today's children.</p> <p>"We are at the limit of our ability to alleviate suffering," Chan, a pediatrician, said this morning at an event in San Francisco. "We want to push back at that boundary.</p>

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