After 180 years, clues reveal how general anaesthesia works in the brain

May 23, 2024 admin

How anaesthetic drugs work in the brain has largely remained a mystery since it was introduced into medicine over 180 years ago. | Photo Credit: The Hindu Over 350 million surgeries are performed globally each year. For most of us, it’s likely at some point in our lives we’ll have to undergo a procedure that needs general…

Science

If anxiety is in my brain, why is my heart pounding? A psychiatrist explains the neuroscience and physiology of fear

September 26, 2023 admin

Heart in your throat. Butterflies in your stomach. Bad gut feeling. These are all phrases many people use to describe fear and anxiety. You have likely felt anxiety inside your chest or stomach, and your brain usually doesn’t hurt when you’re scared. Many cultures tie cowardice and bravery more to the heart or the guts than to the…

Science