The Multifaceted Benefits of Tears: Beyond Emotional Expression

[mediK / HEALTH IN NEWS] Tears are often seen as a natural response to sadness or pain, but their role extends far beyond expressing emotions. Emerging research highlights the physiological and psychological benefits of crying, from stress relief to immune system support. Here’s a closer look at how tears contribute to human health.

Stress Relief Through Tears

Crying can significantly alleviate stress. Emotional tears are believed to help excrete stress-related hormones such as cortisol, reducing their levels in the body. According to research by biochemist Dr. William Frey, shedding tears may help remove stress-related hormones from the body, thereby lowering stress levels. This process serves as a natural biological mechanism for restoring balance during emotionally intense moments.

Emotional Stability and Empathy

Tears provide a sense of psychological release, fostering emotional stability. Crying serves as an outlet for suppressed emotions and is sometimes encouraged in psychotherapy to promote healthy emotional expression. Moreover, witnessing someone else cry can evoke empathy, sometimes leading to shared tears. This phenomenon strengthens emotional bonds, reinforcing interpersonal connections.

You don’t have to be sad to shed tears—tears are essential for both physical and mental health. (Image: ClipArtKorea)

Stabilizing Blood Pressure and Heart Rate

Crying helps regulate the autonomic nervous system calming excessive sympathetic activity and activating the parasympathetic system. This shift promotes physical relaxation, stabilizing blood pressure and heart rate. After crying, the body transitions from a stressed state to one of calm, supporting overall cardiovascular health.

Natural Pain Relief

Tears stimulate the release of endorphins and oxytocin in the brain, hormones that act as natural modulators of pain and stress. They alleviate both physical and emotional discomfort while promoting a sense of calm, which explains why many people feel soothed after crying.

Boosting Immune Function

Natural killer (NK) cells, key defenders in the innate immune system, target virus-infected and cancerous cells. Chronic stress is known to suppress NK cell activity, but crying—by lowering cortisol levels—may help counteract this effect. Reduced cortisol is associated with improved NK cell function, potentially supporting a stronger immune response.

Maintaining Eye Health

Tears play a vital role in ocular health. Insufficient tear production can lead to dry eye syndrome, increasing the risk of corneal damage. Crying keeps the cornea and conjunctiva moist, providing essential lubrication. Additionally, tears contain lysozyme, an antibacterial protein that inhibits microbial growth, protecting the eyes from infections.

Tears are more than a symbol of sorrow—they are a powerful tool for physical and emotional well-being, supporting everything from immune function to eye health.

HEALTH IN NEWS, medi·K TEAM press@themedik.kr

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