Losing a loved one often brings an urge for a final physical goodbye. As the article notes, “Losing a loved one can trigger deep emotional responses, including the desire to give a final kiss as a goodbye.” While comforting, this act can involve health risks that are easy to overlook during grief.

One major concern is infection. “After death, the body’s immune system stops functioning, allowing natural bacteria to multiply rapidly.” Bacteria that were harmless in life can become risky after death, especially through direct contact like kissing.

Viruses are another risk. “Some viruses, like HIV, hepatitis, or tuberculosis, can remain active for a limited time after death.” If the person died from an infectious illness, contact with bodily fluids or mucous membranes may increase exposure.

Decomposition also creates hazards. “During decomposition, the body releases fluids and gases that contain harmful microorganisms.” Contact can lead to skin problems or stomach issues, and inhaling gases may irritate the lungs, particularly for vulnerable people.

There can be emotional effects too. “Kissing a deceased person may leave behind traumatic or disturbing memories that can intensify the grieving process.” Added risks include cross-contamination at funerals and reactions to embalming chemicals. Safer ways to say goodbye—such as holding hands, gently touching the forehead, or being present—can honor loved ones while protecting health.