Adrenaline, also known as epinephrine, is a hormone and neurotransmitter that is produced in the adrenal glands. It is released in response to stress and prepares the body for a “fight or flight” response. Adrenaline increases heart rate, breathing rate, and blood pressure, and it also dilates the pupils and airways.
Adrenaline is important for survival because it helps the body to respond to danger. However, it can also be released in response to non-threatening stimuli, such as excitement or fear. In these cases, adrenaline can cause feelings of anxiety, nervousness, and restlessness.