No, stress is not always bad. Infact stress can be good at times called Eustress (good stress). Eustress can lead us to out-perform in certain situations like exams, games etc. Infact the human body's response to stress is designed to save us in extreme conditions and is driven by neural and hormonal responses which put our bodies in a heightened state of alertness and gives us super human strength to overcome the extreme condition faced by us.
The constant stress of our modern day lives, distress (bad stress) is what most people know as stress and can adversly affect our health and lives. Our body's response to stress is designed to last for a very short period of time to overcome the extreme situations that we might be faced. When there is constand stress it causes a burnout of our stress response mechanisms and leads to both mental and physical signs and symptoms in the short term and many chronic medical conditions including heart disease, stroke, cancer, diabetes, rheumatoid arthritis, fibromyalgia, peptic ulcer disease, depression, mood disorders, insomnia etc.
The constant stress of our modern day lives, distress (bad stress) is what most people know as stress and can adversly affect our health and lives. Our body's response to stress is designed to last for a very short period of time to overcome the extreme situations that we might be faced. When there is constand stress it causes a burnout of our stress response mechanisms and leads to both mental and physical signs and symptoms in the short term and many chronic medical conditions including heart disease, stroke, cancer, diabetes, rheumatoid arthritis, fibromyalgia, peptic ulcer disease, depression, mood disorders, insomnia etc.