ScienceInsights

528 Hz music is said to reduce stress and repair DNA. Here's what the research actually shows about its real and claimed effects.

A heart rate of 105 BPM is often harmless, but context matters. Learn what causes a mildly elevated pulse and when it's worth talking to a doctor.

Your colon mostly cleans itself. Here's what fiber, laxatives, and enemas can actually do—and why some popular "cleansing" methods aren't worth the risk.

Learn which tick species spread disease, what illnesses they carry, and how to safely remove a tick if you've been bitten.

Cavities progress through five stages, from early white spots to painful abscesses. Learn what causes them, how they're treated, and how to prevent them.

Tinnitus affects sleep, focus, and mental health in ways that vary widely. Here's what the science says about its real impact and what shapes recovery.

From NSAIDs to hormonal options, here's what the evidence says about managing heavy periods and how to tell if your efforts are working.

Learn what prolapse is, why it happens, and what your treatment options are — from pelvic organ prolapse to mitral valve prolapse.

Simple lifestyle changes like exercise, sleep, and certain foods can meaningfully improve how your body responds to insulin.