Have a first aid question? Don't ask Siri.

If you've fallen and you can't get up, your smart assistant is probably not the best way to ask for help.

A new study from the University of Alberta, published Tuesday in the medical journal The BMJ, tested smart assistants Siri, Cortana, Alexa, and Google Assistant on their ability to respond helpfully to first aid questions. While Google Assistant and Amazon's Alexa way outperformed Apple's Siri and Microsoft's Cortana, the results as a whole were underwhelming.

The researchers asked all of the smart assistants 123 questions on 39 first aid topics such as heart attacks, poisoning, and nose bleeds. Read more...