Devices

Devices — Promising

Does the Whoop band actually measure recovery and strain accurately?

TL;DR Whoop's heart rate and heart rate variability (HRV) sensors are reasonably accurate at rest — validation studies put heart rate within

Devices — Promising

Is an infrared sauna actually good for you? What the cardiovascular and recovery research says

TL;DR The strongest cardiovascular evidence — like the Finnish KIHD cohort published in JAMA Internal Medicine (Laukkanen et al., 2015) — comes from traditional hot-

Devices — Promising

Do continuous glucose monitors help people without diabetes?

TL;DR For people without diabetes or prediabetes, continuous glucose monitors (CGMs) mostly show what researchers already knew: healthy bodies handle glucose within a

Devices — Thin

Are hyperbaric oxygen therapy chambers worth it for recovery and longevity?

TL;DR Hyperbaric oxygen therapy (HBOT) has strong evidence for a short list of medical conditions — decompression sickness, carbon monoxide poisoning, non-healing diabetic

Devices — Promising

Does the Oura ring actually measure anything useful? The accuracy of consumer sleep and recovery trackers

TL;DR The Oura ring is genuinely good at two things: resting heart rate and heart rate variability, where it correlates closely with ECG

Devices — Thin

Does whole-body cryotherapy actually do anything?

TL;DR Whole-body cryotherapy (WBC) has a modest, mostly short-lived effect on perceived muscle soreness after exercise, but the evidence for meaningfully

Devices — Promising

Do cold plunges actually work, and what for?

TL;DR Cold water immersion has decent evidence for two narrow things: reducing perceived muscle soreness after intense exercise (a 2012 Cochrane review of

Devices — Promising

Does red light therapy actually work — and what dose did the studies use?

TL;DR Red and near-infrared light therapy (often called photobiomodulation, or PBM) has decent evidence for improving skin texture, reducing fine lines, and