Is blinking a characteristic of lying?

Blinking is not a definitive characteristic of lying; it varies among individuals and contexts. Some people may blink more when they are nervous or anxious, which could be misinterpreted as a sign of deceit. However, blinking is a natural physiological response and can be influenced by numerous factors, including stress, fatigue, and environmental conditions. Therefore, it should not be solely relied upon as an indicator of honesty or dishonesty.