All current local anesthetics block sensory signals—pain—but they also interrupt motor signals, which can be problematic. For example, too much epidural anesthesia can prevent mothers in labor from ...

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: ...

You’ve likely been under anesthesia for different procedures, whether you were having a tooth removed or undergoing a major surgery. Everyone knows it puts you in a sleep-like state, but have you ever ...

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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 ...