Although research is ongoing and additional benefits of l-arginine are still being discovered, l-arginine is a powerful amino acid proven to help improve both cardiovascular and overall health. L-arginine has been researched for both men and women and provides ample support and benefits for both.
Three brain structures the hippocampus, amygdala and prefrontal cortex help the brain determine what is stressful and how to respond. The hippocampus stores memories of events and responds to stress hormones in the blood. Many mental disorders, including depression, may cause it to shrink or weaken.
The conclusion that the amygdala is the brainâs fear center wrongly assumes that the feelings of âfearâ and the responses elicited by threats are products of the same brain system. While amygdala circuits are directly responsible for behavioral/physiological responses elicited by threats, they are not directly responsible for feelings of âfear.â.