negative effects- emotional stress that stays around for weeks or months can weaken the immune system and cause high blood pressure, fatigue, depression, anxiety and even heart disease. In particular, too much epinephrine can be harmful to your heart. It can change the arteries and how their cells are able to regenerate.
positive effects- Stress is key for survival, but too much stress can be detrimental. Emotional stress that stays around for weeks or months can weaken the immune system and cause high blood pressure, fatigue, depression, anxiety and even heart disease. In particular, too much epinephrine can be harmful to your heart.
It sweats out the garbage and allows the muscles to relax a bit more than it would without perspiration.
Smoking can constrict blood vessels which limits the amount of oxygenated blood causing a cold numb feeling. This happens especially to the limbs because they are farthest from the heart.
Conflict can be harmful to our health and lead to problems such as depression if we don't learn to handle it properly.
Hope this helps :)