Health influencers – perhaps including Health Secretary RFK Jr. – are promoting the chemical as an elixir that improves memory and focus. But evidence for these claims is thin.

If its blue colour faded quickly, the milk was contaminated with bacteria, but if it remained blue, the milk was considered relatively clean. This safety test is now largely obsolete.

IN spite of a somewhat adverse criticism, and a statement apparently to the contrary1, methylene blue is one of the best and easiest stains for mucus. According to Bolles Lee, ” Microtomist's ...

Over the past five or 10 years, methylene blue has come to be touted online as a so-called nootropic agent—a substance that enhances cognitive function. Vendors claim that it amps up brain ...

Methylene blue is a synthetic dye that exists as a dark green powder and takes on a deep blue color when ... German physician Paul Ehrlich discovered its ability to stain biological tissues and ...

Methylene blue was first synthesized in 1876 as a dye for textiles and was valued for its intense color and ... German physician Paul Ehrlich discovered its ability to stain biological tissues ...

Over the past five or 10 years, methylene blue has come to be touted online as a so-called nootropic agent—a substance that enhances cognitive function. Vendors claim that it amps up brain ...