The bright red light can help to decrease the levels of anxiety, pain and even rapid heart rate to bring the stats to normal numbers. Boosting cognition is yet another advantage which is borne out of using red light therapies.
The need for therapy remains as long as humans survive. The number of users of health devices is steadily increasing due to sedentary living conditions.
A LED light therapy device is almost equal to a skin phototherapy device. You can say both purposes are the same, but the former is for a comprehensive target region, and the latter is for a short-term goal, especially for skin treatment.