ScienceInsights

Test anxiety is a real stress response, not a personal failing. Learn science-backed ways to calm your brain before and during exams.

Most head colds clear up in 7 to 10 days, but symptoms shift each day. Here's what to expect and when to see a doctor.

Uterine pain after sex can stem from prostaglandins, muscle tension, or conditions like endometriosis. Learn what's likely causing yours and when to see a doctor.

Metformin can lead to modest weight loss through appetite reduction, better insulin sensitivity, and gut microbiome changes. Here's what the research actually shows.

Cottage cheese is high in protein and relatively low in calories, making it a practical food for weight loss — here's what the nutrition actually looks like.

Spinach, almonds, and a few surprising fruits top the list of high-oxalate foods. Learn which to limit and simple ways to reduce your oxalate intake.

Fluoride strengthens enamel, slows bacteria, and helps repair early decay. Here's what the science says about safe amounts and how it actually works.

Tart cherry juice has real research behind it for sleep, muscle recovery, and gout—but it's not a cure-all. Here's what the evidence actually shows.

Fibromyalgia's most difficult symptoms go beyond pain, including exhausting fatigue, brain fog, and mood changes that can all feed into each other.

Plantar fasciitis is stubborn, but it does heal. Learn which stretches, shoes, and treatments actually help — and how long recovery realistically takes.