In agricultural tractors for example, as a general rule 40 to 50 percent of the value of the machine will be lost in the first quarter of the machine's life and by the halfway point of lifetime, from 70 to 75 percent of the value will be lost.
People with PTSD may feel constantly alert after the traumatic event. This is known as increased emotional arousal, and it can cause difficulty sleeping, outbursts of anger or irritability, and difficulty concentrating. They may find that they are constantly on guard and on the lookout for signs of danger.
C-PTSD Causes. C-PTSD is caused by a prolonged or sustained exposure to emotional trauma or abuse from which no short-term means of escape is available or apparent to the victim. The precise neurological damage that exists in C-PTSD victims is not well understood.