Physiological Effects: When the human body is placed under physical or psychological stress, it increases the production of certain hormones such as adrenaline and cortisol. It causes:
•Changes in heart-rate, blood-pressure levels, metabolism and physical activity.
•Slowing down of digestive system.
•Constriction of blood vessels.
Cognitive Effects: High levels of stress can lead to:
•Mental overload.
•Impairment in the ability to make sound decision.
•Poor concentration.
•Reduced short term memory.
Emotional Effects: Those who suffer from stress are more likely to experience:
•Mood swings.
•Erratic behaviour.
•Maladjustment with family and friends.
•Feeling of anxiety and depression.
•Increased physical and psychological tension.
•Intolerance.
•Impatience.
Behavioural Effects: Stress affects our behaviour in the form of:
•Eating less nutritional food.
•Increasing intake of stimulants such as caffeine or excessive consumption of cigarettes, alcohol and drugs.
•Disrupted sleep pattern.
•Reduced work performance.
