by Deirdre Layne Published October 18, 2020
Red light therapy, or RLT, uses low-level wavelengths of red LED lights to treat inflammation, scars, wounds, wrinkles and fine lines, anxiety, hair loss, and more.
RLT was first studied by NASA scientists in the early 1990s to see if it would help grow plants in space. Researchers discovered that intense red LED lights promoted both photosynthesis and synthesis of plant cells.
After these initial plant experiments, scientists began to research red lights to see if they could similarly increase energy inside human cells. Thousands of laboratory studies have been conducted over the past 30 years to determine if and how Red Light Therapy is beneficial to the human body.
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