Researchers found that the immune system’s response to sun damage can actually make things worse for your skin. When your skin is exposed to UVB radiation from the sun, a type of white blood cell called neutrophils rush to the area and form structures known as neutrophil extracellular traps (NETs). While these traps are designed to catch pathogens, they can inadvertently cause more harm, leading to increased inflammation and skin damage.

This discovery is particularly relevant for anyone looking to maintain healthy skin as they age. Chronic inflammation from sun exposure can accelerate skin aging and contribute to conditions like actinic keratosis, which can lead to skin cancer. By inhibiting the formation of NETs, researchers found that they could reduce visible skin damage and inflammation in mice exposed to UVB radiation. This suggests that targeting NETs could be a way to protect your skin from the harmful effects of the sun.

The research is still in its early stages, primarily involving mouse models. While the findings are promising, they have not yet been tested in humans. The study highlights the need for further exploration into how inhibiting NETs might serve as a treatment to mitigate sun damage and reduce chronic inflammation, a process known as “inflammaging.”

For now, the best way to protect your skin is still through traditional methods like using sunscreen and seeking shade. However, this research opens the door to potential future treatments that could offer additional protection against the long-term effects of sun exposure.

Source: lifespan.io