For years, scientists have expressed concern about potential adverse health effects of excessive exposure to short wavelength light (SWL), which includes the "blue light" from smartphones, laptops, ...

Marketers promote blue light glasses benefits such as reduced eye strain, and better sleep but research has not confirmed most of those claims.

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 ...