Heated blankets promise cozy, better sleep. But does the actual science of body temperature and sleep back that up?

Smart scales promise body fat percentages down to the decimal. But how close are those numbers actually getting to the real thing?

Light therapy lamps, blue-light glasses, smart desk lighting - they promise sharper focus and better mood. Does the science actually back that up?

Nasal strips, mouthguards, chin straps - snoring gadgets are everywhere. But do any of them change what snoring actually does to your health?

A cold gel mask promises to melt away a migraine in minutes. Does the chill actually do what the packaging claims, or is it more complicated?

That little plastic or metal tool promises fresher breath in seconds. Does removing the coating on your tongue actually make a lasting difference?

Infrared body therapy promises to reach deep into tissue and fix everything from sore muscles to toxins. Does the physics and research actually support that?

A vacuum sealer promises to make food last dramatically longer. Is that extra time actually backed by food science, or does the story have a catch?

White noise, pink noise, nature sounds — sound machines promise a better night either way. But does the research back every color of noise equally?

Red light, blue light, at-home masks — but does any of it actually change your skin?