Doctors chastise influencers for drinking fish tank cleaner to slow down the ageing process
Doctors are criticising fitness influencers who promote the anti-fungal colour methylene blue, which is commonly used to clean fish tanks. Physicians prescribe the chemical, which can be injected or taken orally, to treat methemoglobinemia, a disorder in which the blood fails to carry oxygen to different regions of the body. While methylene blue in therapeutic doses is not toxic to most humans, some researchers are dismissing claims made by influencers that the dye aids improve cognitive capacities, boost metabolism, and combat ageing. "I can't stop laughing," Australian Dr. Darren Saunders commented on Twitter after discovering the fad of fitness influencers placing methylene blue on their tongues as a "metabolic or cognitive enhancer." "OMG, of course it also ‘slows down your chain of aging’—whatever the hell that is," he...