Which factor is known to increase pain threshold?

Sympathy is a factor that can increase pain threshold. When an individual experiences sympathy, they often feel a sense of connection or compassion toward others, which can activate emotional and social support systems. This emotional response can lead to the release of endorphins and other neurochemicals that naturally enhance pain tolerance. Additionally, feeling supported and understood can alleviate stress and anxiety, potentially leading to a higher pain threshold.

In contrast, other options can contribute to a decreased pain threshold. Depression can lead to heightened sensitivity to pain due to changes in brain chemistry and mood. Fatigue often reduces one’s ability to cope with pain, making discomfort feel more intense. Fear can heighten perceptions of pain by increasing anxiety levels, ultimately lowering tolerance to painful stimuli. In summary, sympathy uniquely promotes a positive emotional state that can enhance an individual's resilience to pain.