While there isn't one single hormone solely responsible for anger, adrenaline plays a significant role in the physiological response to anger. When you experience anger, your adrenal glands release adrenaline (also known as epinephrine) into your bloodstream. This triggers the "fight or flight" response, leading to physical changes like increased heart rate, sweating, and muscle tension.
While adrenaline is crucial in the physical manifestation of anger, the complex interplay of various hormones and neurotransmitters influences anger's expression.
For instance, cortisol, another stress hormone released by the adrenal glands, plays a part in regulating anger. It helps modulate adrenaline's effects and influences the emotional response to stress, including anger.
Other hormones, like testosterone, can also affect aggression and anger levels. However, the exact mechanisms are still under investigation.
Remember that anger is a complex emotion influenced by various factors, including genetics, personality, and environmental triggers. While hormones play a role in the physiological response to anger, they don't fully dictate the emotional experience.