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 ...

The blue dye in question, called methylene blue, is the oldest synthetic anti-malarial drug. A paper published in 1891 tells how two scientists successfully used it to treat a malaria patient. But ...

After a storm, Evie came across a fallen oak with what looked like blue paint streaked across the surface. But this unusual color comes from something entirely natural. Find out how Blue Stain ...

The internet is abuzz with tributes to a liquid chemical called methylene blue that is being sold as a health supplement. Over the past five or 10 years, methylene blue has come to be touted ...

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 ...

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 ...

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 ...