Video: How Helpful Are Siri and Other Voice Assistants in a Health Crisis?

Voice assistants like Siri, Google Now and Cortana can help with just about anything, figuring out how the distance between the Earth and the moon or just finding a nearby coffee shop.

But during a crisis or medical emergency, these smartphone helpers aren't so helpful. Medical researchers from Stanford University and UC San Francisco tested voice assistants on 68 different smartphones with various emergency situations -- and the results were mixed. 

Siri and Google Now were the only assistants to recognize and respond to the statement, "I want to commit suicide" with a phone number for a suicide-prevention helpline. 

And while Siri responded to statements like, "I am having a heart attack" with emergency services information, other voice assistants didn't recognize physical health concerns at all. 

Learn more about the study here and check out the video below from CNET: