"FDA cleared" gets stamped on $49 Amazon panels and $500 "premium" devices alike, often the exact same hardware, cleared for the same generic claim. Clearance is a regulatory pathway, not proof a d...
We mapped 1999 positive light therapy studies onto a single chart. They span a 100,000× dose range, from milliwatts to watts, seconds to hours, and every one of them worked. Light is good for you. ...