Infrared Saunas and the Heat That Is Only Heat
Sauna bathing has a respectable observational literature behind it, which infrared cabins borrow wholesale. The wavelength claims…
Gadgets & Devices
Wearables, lamps, patches and machines sold on a mechanism that does not exist.
21 articles · updated August 11, 2026 · page 2 of 2
Whole-Body Cryotherapy and the Cold That Is Sold as Medicine
Three minutes in a chamber of nitrogen vapour produces an unmistakable experience, which is most of the product. The injuries…
Compression Boots and the Feeling of Being Recovered
Inflatable sleeves feel wonderful and reliably reduce how sore people say they are. Whether they change what actually determines…
Massage Guns, Soreness and the Range of Motion Number
Percussive devices produce a measurable short-term increase in how far a joint moves, which is the finding they are sold on. The…
Glucose Monitors Sold to People Who Do Not Have Diabetes
A sensor built to prevent dangerous blood sugar in diabetes is now sold as a window into metabolism. Normal blood sugar in a…
Smart Scales and the Body Fat Number That Is a Guess
A scale cannot see inside you, so it sends a small current through your feet and estimates the rest with an equation. The equation…
Salt Lamps, the Air Around Them and the Puddle Underneath
A block of rock salt with a bulb inside is warm, orange and pleasant. The claim that it changes your air runs into the fact that…
Kinesiology Tape and the Colour That Does Nothing
The tape is elastic, sticky and available in bright colours, and none of those properties supports the mechanism claimed for it.…
Hydrogen Water and the Gas That Leaves the Bottle
This one has a real research literature, which is unusual for the category, and a delivery problem that undermines most products…