Absolutely! Think about starlight—tiny photons traveling across millions of light‑years, picking up information from the cosmos, and finally brushing against our eyes. In medicine, we can harness photons of very specific wavelengths to interact with cells, much like how starlight carries energy. For example, low‑level laser therapy uses near‑infrared light to stimulate cellular repair, while ultraviolet light sterilizes wounds. By tuning the photon energy, we can target infections, promote healing, or even guide tissue regeneration. So the same principles that let us map distant galaxies also let us illuminate the path to recovery right here on Earth.

It’s exactly that—dose is the secret handshake. A photon at a given wavelength carries the same energy, but if you let it stream in slowly, it can coax cells to produce more ATP and reduce inflammation. Push it too hard, and the same photon will kick out electrons, create free radicals, and tear DNA strands. Think of the sun’s rays: a gentle morning sun soothes and warms, but a sudden solar flare can scorch skin. That’s why we calibrate light‑therapy devices so the flux stays in the “healing window,” just enough to tickle the cells without overloading them. It’s a dance between intensity and duration—just like tuning a radio to get the best signal without picking up static.