Arthritis is one of the most common causes of ongoing joint pain, particularly as we get older. Stiffness in the morning. Aching after activity. Reduced mobility over time. It can affect knees, hips, hands, shoulders – sometimes more than one area at once. Many people are understandably cautious about long-term reliance on painkillers, and begin looking for supportive options they can use at home. Red light therapy is one of those options. But what does the research actua