Tattoo Ink Discovered to Possibly Impair Lymphatic and Immune Functions, New Research Shows

Humans have adorned their skin with tattoos for ages, but recent research indicates that tattoo inks might carry health dangers. A study published in the Proceedings of the National Academy of Sciences (PNAS) suggests that tattoo pigments could negatively influence our lymphatic systems, potentially affecting our immune response to vaccines. Researchers in Switzerland utilized a mouse model to explore the impact of tattoo ink on the immune system. Their findings showed that tattoo pigments shift to nearby lymph nodes, leading to immune-cell death and chronic inflammation. This movement might hinder the antibody reaction to COVID-19 vaccines when given in tattooed areas, while a “boosted reaction” was noted with an inactivated flu vaccine.

Although these effects remain unverified in humans, the study highlights the potential dangers related to tattooing. It stresses the necessity of toxicology assessments and appropriate regulation of tattoo ink components. With approximately 32% of Americans sporting at least one tattoo, these insights are particularly pertinent. The study advocates for additional research to shape public health policies and regulatory actions surrounding tattoo inks.

The research corresponds with other studies, including one featured in Springer Nature, which associates tattoos with a 29% elevated risk of cutaneous melanoma, a type of skin cancer commonly linked to UV exposure. This study examined Swedish health records from the National Cancer Register, reviewing the tattoo backgrounds of individuals diagnosed with melanoma. While tattoos are associated with multiple health concerns, understanding and awareness are key for tattoo fans.

In summary, while tattoos are a favored method of self-expression, these studies highlight the importance of caution and further investigation to ensure safe tattooing practices.