The Hidden Toll of Deception: How Lies Impact Mental Health, According to New Study



In a recent study conducted by researchers at the University of Twente in the Netherlands, the complex relationship between lies and mental health has been unveiled.

The findings, published last month in the British Journal of Social Psychology, shed light on how lies impact mental health, the reasons people lie and the psychological consequences they face, challenging common assumptions about the motivations behind dishonesty.

The research focused on four experiments, seeking to understand the impact of lies on self-esteem and emotional well-being. Contrary to popular belief, the study found that people often lie to make themselves feel better or to protect their own feelings rather than to shield someone else from the truth.

Experiments To Understand How Lies Impact Mental Health

In one experiment, participants were tasked with monitoring their lying behavior for a day. Surprisingly, 22% admitted to telling a self-centered lie, while only 8% confessed to lying to protect someone else.

The majority, 69%, reported not lying at all during the day. These results prompted researchers to delve deeper into the consequences of such lies on the liars’ mental health.

Another experiment presented participants with dilemmas, both self-centered and “other-oriented.” In a self-centered scenario, participants were asked about a job interview where they were questioned about experience they didn’t possess.

For an “other-oriented” situation, they had to confront a scenario where a friend was excited about a new dress they didn’t like. The study found that, on average, more than 40% of participants lied in each scenario.

The self-esteem and emotional impact on those who told lies in both scenarios were compared to those who told the truth. Surprisingly, both sets of liars reported lower self-esteem and more negative feelings, such as nervousness, regret, discomfort, or unhappiness, compared to the truth-tellers.

The study also explored the aftermath of recalling lies. Participants who were asked to remember a situation in which they lied reported experiencing lower self-esteem after the incident, in contrast to those recalling situations where they did not lie.

In a five-day experiment where participants recorded their lying behavior, researchers found that individuals told a lie 45% of the time. More specifically, 22% admitted to lying every day, while 19% claimed they had not lied on any day. The consistent theme was a decrease in self-esteem among those who chose to lie during this period.

The surprising results challenge common notions about the motivations behind dishonesty, suggesting that self-centered lies, aimed at protecting one’s own feelings or avoiding shame, may be more prevalent than lies intended to spare others. This raises important questions about the impact of self-oriented lies on mental health and well-being.

The study’s lead author, from the University of Twente, commented on the unexpected findings, stating, “Our results couldn’t have been easily predicted before we did the study. Other studies have shown that having more siblings is associated with some positive effects, so our results were not a given.”

As society grapples with the implications of widespread dishonesty, this research adds a new layer to our understanding of the toll that lies can take on individuals. The study underscores the importance of recognizing the nuanced motivations behind deception and the potential mental health consequences that may follow.

As we delve deeper into the intricacies of human behavior, researchers continue to uncover the complexities of the human psyche and the far-reaching effects of our actions on our well-being.


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