Devices & gear

Lights, stimulators, headbands and wearables.

11 pages, each grading the claims by what the studies found. How we grade.

Sleep & stressDoes the HAVN Hat Do Anything? An Open, Blinded ExperimentHAVN says its WaveStopper fabric blocks over 99.7% of phone and Wi-Fi signals and helps sleep. Nobody has tested that independently. Here is the test.Immunity & sinusesRife, Tested: Does a Frequency Kill a Microbe in a Dish?Rife-device sellers say specific frequencies destroy microbes. A blinded test in a dish — yeast, a driven coil versus an identical sham — never on a person.Immunity & sinusesRoyal Rife: The Story vs the Record — A TimelineA popular video says Royal Rife “cured cancer” and was silenced. Each claim, checked: documented, only claimed, or contradicted by the record.Skin, hair & teethDoes Red Light Therapy Work? Every Claim, GradedRed and near-infrared light therapy, graded by the trials: knee arthritis, laser acupuncture, skin and collagen — and why a gadget from an ad is different.Skin, hair & teethRed Light Therapy After Surgery: Does It Help You Heal?Light therapy on surgical incisions and wounds, graded by the trials — and why a home device after foot surgery is a different question.Skin, hair & teethRed Light Therapy for Tinnitus: What the Trials FoundLaser and red light in the ear for ringing in the ears, graded by the trials — including two double-blind trials that found no effect.Energy & fitnessBarefoot Shoes and Socks (Konjoun SuperSocks): Stronger Feet? GradedMinimalist shoes gave somewhat stronger toes in pooled trials, at low certainty. Barefoot socks sold for feel and stability have no study.Sleep & stressHealing Frequencies (528 Hz, The One Device)Calming music tuned to 528 Hz helped in small open trials, but none separated the frequency from the music. No study of The One Device.Sleep & stressVagus Nerve Stimulators for Calm (Hoolest VeRelief)Small sham-controlled studies show early signs that vagus nerve stimulation through the skin eases acute stress. We found no study of VeRelief.Sleep & stressShungite: Fullerenes, “Grounding” and Health ClaimsShungite eased UV skin damage in one mouse study. We found no study in people, and the rock’s carbon is mostly graphene-like, not proven fullerene.Skin, hair & teethInfraBeam Red Light Pen: The Ad’s Claims, CheckedA Facebook ad calls the InfraBeam pen “NASA’s Arthritis Pain-Erasing Miracle Pen”. Each claim in the ad, set beside the research and the FDA database.