ScienceInsights

Yawning a lot more than usual? Learn what's behind excessive yawning, when it's harmless, and when it may point to a neurological or vagus nerve issue.

UTIs are typically treated with antibiotics, but the right approach depends on severity, pregnancy, and recurrence. Here's what treatment usually involves.

Salmon is moderately high in sulfur, which supports joint health and detox. Learn how it compares to other foods and what this means for low-sulfur diets.

Lice spread mainly through direct head contact, not dirty hair or shared hats. Learn what actually puts you at risk and what's just a common myth.

Discharge can signal several different STIs, each with distinct characteristics. Learn how gonorrhea, chlamydia, and others compare, and why testing still matters.

Several supplements may help improve insulin sensitivity, including berberine, magnesium, and vitamin D. Here's what the evidence says about each one.

Kinesio tape is popular among athletes, but the science behind it is mixed. Here's what it does, what research says, and whether it's worth trying.

Green poop is usually harmless and linked to diet or fast digestion, but here's how to tell when it might signal something worth checking out.

Chicken casserole can be a solid weeknight meal, but sodium and starchy add-ins matter. Here's what's actually in your dish and how to make it healthier.

Melatonin seems harmless, but mislabeled doses, hormonal disruption, and unknown long-term effects make it riskier than most people realize.