Which hormone is called the stress hormone

Correct me if I am wrong, but I think it is cortisol because it is a steroid hormone.

In scientific lingo, the stress response system is called the hypothalamicpituitary-adrenal axis (HPA axis). After perceiving a stressor, a small brain area called the hypothalamus sends a chemical message to the pituitary gland.

it's false.

"every person has their limitations which prevent us from accomplishing something. some are better than mathematics for example and some are worse. those people who are worse might never be able to become mathematicians, but that does not mean that they would not be great at doing something else."