Stress is feeling under too much pressure from certain situations or events.
Pressure can be positive and motivational in certain situations in order to accomplish more, however, when pressure becomes too much to handle it can become overwhelming, leading to feelings of stress.
Stress is often associated with feeling a lack of control over certain areas in life, like work, relationships or illnesses. Major life changes can also lead to stress, even typically happy changes like weddings or pregnancy.
Stress can affect sleep and appetite, it can cause physical aches and pains, muscle tension, panic attacks, headaches, diarrhoea or constipation. When experiencing stress, it’s possible to also feel anxious, angry, depressed, overwhelmed or frustrated, which can sometimes worsen physical symptoms.
Acute stress disorder lasts from 3 days to 1 month and involves symptoms of intrusion (eg, flashbacks, nightmares), negative mood, dissociation (eg, amnesia, derealization), avoidence, and arousal in response
Post-traumatic stress disorder (PTSD) can develop in people of any age following a traumatic event, for example a major disaster or childhood sexual abuse. It encompasses what became known as 'shell shock' following the first world war. One of the DSM-IV diagnostic criteria is that symptoms have been present for more than one month
2 types of PTSD :
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