One type of stress is increasing in our society. It is Post Traumatic Stress Disorder or PTSD. Depending upon the severity of trauma, resultant physical disability if any, resultant bereavement if any, the likelihood of developing PTSD varies. Some of the symptoms are: anxiety fear abnormal reaction to daily casual events reducing or increasing certain activities in a slightly obsessed way insomnia, and inability to relate properly with people or places. If you experience any three of the above for over 3 months after the event, you need treatment.