What is stress ? Stress is defined as a genetically determined pattern of response of the human physiology to a demanding situation . Such demanding situations could be of two types :a. Physical – like accidents, burns, major surgeries , infections, pregnancy etc., Which make demands on the entire physiology. b. Psychological – which can occur independently or as a reaction to the physicalstress. Examples are – life situations that evoke emotional responses like – fear anxiety, tension , worry , jealousy , hatred, anger, excitement, conflicts, etc. It may be a temporary stress, demanding only an immediate adaptation process. Or it may be a long – standing one, leaving deep – seated subconscious impressions ladingTo prolonged tensions.