Drawback of stress

Everone says that stress is not good, its a bad thing. One should avoid developing stress in himself. He should try to avoid it as much as possible. There are many disadvantages of stress that can happen if the stress increases beyound its limit.
Few disadvantages of stress are:
(1) It disturbs the mind thus one lacks the power of concentration.
(2)It can affect the relations. The relations can be any like personal, professional etc.
(3)It can lead to obesity, weight gain problems.
(4)Stress leads to many diseases heart attack and other cardiovasculor disorders.