While emails can be a powerful communication tool, they can also sometimes cause psychological stress to individuals in less obvious ways. Here are some email content that can cause stress to individuals but is not easily detected directly: 1. **Continuous negative feedback**: Frequently receiving criticism or negative feedback without constructive suggestions can make people feel helpless and stressed. 2. **Vague expectations**: Unclear tasks or goals can make people feel overwhelmed and unsure of how to complete tasks, which in turn increases stress. 3. **High frequency of follow-up**: Frequent email follow-ups can make people feel monitored, which can cause stress. 4. **Indirect communication**: Using hints instead of directly stating the problem causes the recipient to spend a lot of time and energy trying to understand the real intention. 5. **Information overload**: Sending a lot of information or multiple tasks that need to be handled simultaneously makes it difficult for the recipient to cope. 6. **Lack of recognition and support**: Email exchanges that are not recognized or supported for a long time can affect the morale and motivation of individuals. 7. **Competitive comparison**: Constantly comparing the recipient to others (such as: suggesting that others are more successful or more efficient) can cause stress and anxiety. 8. **Overly formal or cold tone**: Communication that lacks a personal touch can feel isolating, especially over long periods of collaboration. 9. **Subtle negative language**: Using subtle negative words or tones can subconsciously increase the recipient's sense of unease. If you are managing or overseeing the work of others, taking these factors into account can help you communicate more effectively and avoid unnecessary psychological stress. For emails that make you feel stressed, try to seek direct communication channels or discuss these issues with the sender if possible.