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Do Tattoos Cause Cancer? What Science Says About the Risks of Modern Ink
Are tattoos the ultimate expression or putting you at risk for lymphoma?
Tattoos have long been a form of self-expression, a way to etch stories, beliefs, and memories onto the skin. But as tattoo culture grows, so do questions about its long-term health effects. Could your ink be doing more than just decorating your body?
Assessing the cancer risk of modern tattoo ink has proven tricky. Unlike cosmetics or pharmaceuticals, tattoo ink isn’t strictly regulated, and its ingredients can vary widely. Some formulas contain heavy metals, industrial pigments, and preservatives that aren’t always meant for use under the skin. You can easily buy tattoo ink on the Internet and you can’t guarantee safety or the source.
Tattooed hands
Recent studies suggest a possible link between tattoos and certain cancers, including lymphoma and skin cancer, particularly for those with large tattoos. One theory is that tattoo ink triggers a chronic immune response, as the body continuously tries to break down and remove foreign particles similar to women who get breast implants. Or the feeling you have when you have been wearing contact lenses for too long.
A recent study from Sweden and published in the acclaimed medical science journal The Lancet, found a risk: “Our findings suggested that tattoo exposure was associated with an increased risk of malignant lymphoma. More epidemiologic research is urgently needed to establish causality,” the researchers say.
They explained in the study that when ink is injected into the skin, the body’s immune system reacts, causing some of the pigment to travel to lymph nodes. But does this process contribute to lymphoma, a type of blood cancer?
Henna is an alternative to tattoos
To find out, researchers in Sweden analyzed health records of nearly 12,000 people, comparing those with and without tattoos. They found that people with tattoos had a slightly higher risk of developing lymphoma, especially if they got their first tattoo within the last two years. Interestingly, the risk seemed to drop for people who had tattoos for three to ten years but then increased again for those who had been tattooed for over a decade.
Like microplastics in gum, tampons and aligners, the buildup of foreign things our bodies don’t want puts pressure on our immune system. A weakened immune system lowers the defense against cancer cells constantly circulating in the blood.
In another study, researchers also found a link with the greatest incidence of skin cancer associated with red ink.
But before you start regretting your ink, scientists caution that the research is still in its early stages. Much larger studies are needed to determine the long-term problems.
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