Omega-6 deficiency may cause: growth retardation; eczema-like skin conditions; behavioural disturbances; arthritis-like conditions; liver and kidney degeneration; excessive water loss through the skin accompanied by thirst; drying up of glands; susceptibility to infections; wounds fail to heal; sterility in males; miscarriage in females; heart and circulatory problems; dry skin and hair; dry eyes and hair loss.