Anesthesia is an important tool for exploring human consciousness, but scientists still aren't quite sure how it works, despite using it on patients for 170 years. A new study analyzes the brain under ...

Anesthesia works by using medications (anesthetics) to temporarily block pain signals from traveling along your nerves to your brain, or by numbing the brain itself to cause unconsciousness. The ...

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When Army Maj. Brad West spent two and a half months in Iraq recently, he made a little bit of anesthesia history: The nurse anesthetist introduced the "ventilatory assist device" to his unit, the ...

Here’s what you’ll learn when you read this story: Anesthesia is an important tool for exploring human consciousness, but scientists still aren’t quite sure how it works, despite using it on patients ...

Here's what you'll learn when you read this story: For decades, one of the best tools for probing the nature of human consciousness has been medicine's most reliable method for switching it off: ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Anesthesia is an important tool ...