Secondly, psychological or emotional effects of stress also result on us in a bad way. We lose interest in our day-to-day activities because of stress. We are not able to focus on one thing. Other psychological effect of stress is losing power of discrimination. Our mind stops working correctly and we are not able to decide what is good and what is bad. Depression is also one of the main psychological effects of stress. to summarize, stress has negative effects on our health.