A solution of methylene blue in an erlenmeyer flask. The trending dye was invented by German chemist Heinrich Caro in 1876. Photograph by asikkk, Getty Images If you’ve spotted someone recently with a ...

Wellness enthusiasts seeking to hack their way to health and longevity have a new favorite remedy — one that stains their tongues blue. Methylene blue has been around since the 1870s when it was used ...

Methylene blue treats methemoglobinemia, a blood condition. Recently, methylene blue supplements have gained attention for their alleged cognitive and aging support benefits, but these uses require ...

Last week, a short video of Robert F. Kennedy Jr., a well-known American politician and health advocate, caused a frenzy online. In the clip, taken during a flight, he is seen using a pipette to add ...