A new wave of research is putting light therapy in the spotlight as a potential remedy for the lingering brain‑fog that many COVID‑19 survivors experience. In a groundbreaking, randomized, double‑blind trial, scientists tested a home‑use device that delivers photobiomodulation (PBM) – low‑level red and near‑infrared light – through the nose and across the skull. Participants under 45 who reported cognitive sluggishness after COVID‑19 showed measurable improvements in memory, attention, and processing speed after several weeks of daily treatment, while safety data confirmed no serious side effects. The study adds to a growing body of evidence that PBM can aid a variety of medical challenges. Earlier reports have highlighted its benefits for post‑liposuction skin healing, allergic rhinitis relief, Parkinson’s disease symptom management, and even scar reduction after thyroid surgery. By reducing inflammation and boosting cellular energy, the light appears to promote faster recovery and better neurological function. While the findings are promising, researchers caution that larger trials are needed before PBM becomes a standard prescription. Nonetheless, the convenience of a portable, drug‑free device offers a hopeful, non‑invasive option for young adults eager to reclaim mental clarity after COVID‑19.
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