Red-light devices are all over social feeds and make enormous promises. From the many, we find the few that are actually worth your commitment, time, and money.

Red light beds, compression suits and NAD+ drips: I tried 5 celebrity-approved longevity treatments to see if they're worth the hype (and cost) ...

The palm-sized, battery-powered Helight Sleep emits pure red light that slowly fades to dark, helping you doze off. Contributor Scouted selects products independently. If you purchase something ...

100 red light emitting diodes in red mode and 60 blue light emitting diodes in blue mode, four light wavelengths: red (630 - 700nm), blue (400 - 470nm), infrared (800 - 1200nm), and amber (590nm ...

Compared with control individuals, children treated with low-level red-light exhibited a reduction in cone density, particularly within 0.5 mm of the fovea, with a mean difference of −2.1 × 10 ...