Borderline personality disorder is a serious mental health condition that makes emotional regulation difficult. Symptoms of "How does borderline personality disorder behave?" include intense emotional fluctuations, unstable relationships, self-harming tendencies and a constant feeling of emptiness.

Mental illnesses are conditions that significantly impair a person's feelings, thoughts, mood and/or behavior. It can occur over a short period of time or develop periodically.

Erysipelas (erysipelas) is a type of bacterial infection that affects the surface of the skin. Usually affecting the upper layers of the skin and superficial lymph vessels, this disease presents with a red, swollen and hard skin area and usually...

Heart palpitations are a condition in which the heartbeat becomes rapid or irregular and is clearly felt. Psychological heart palpitations are rapid or irregular beating of the heart triggered by emotional states such as anxiety or stress.