What do we know about methylene blue?

A new miracle cure-all has been making the rounds on social media, promising that people who take methylene blue can improve their mood and cognition. Some TikTok videos even suggest the synthetic dye could be used to treat cancer. Joe Schwarcz, director of McGill's Office for Science and Society, explains there’s little evidence to suggest methylene blue is useful outside of very specific circumstances.For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.