Infrared saunas 

These “sweat lodges”, which use lights like those in neonatal intensive care units, are touted to lower cholesterol and fight obesity; research says otherwise. 



They’re back from the 1970s, and they supposedly promote positivity, calm and creativity. But there’s no scientific evidence to back the claims.



Spending 2 to 4 minutes in –150°C won’t fix asthma, arthritis or migraines as claimed, but it will pose risks like frostbite, burns and asphyxiation.  

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© Prevention Australia