ScienceInsights

A low resting heart rate is often a sign of good fitness, but it can sometimes point to an underlying issue. Here's how to read your numbers.

From saline rinses to the right medication, here's what actually helps clear a runny nose based on what's causing it.

Low blood pressure can stem from dehydration, medications, or heart issues. Learn the common causes and when symptoms like dizziness warrant a doctor's visit.

Tooth pain can't wait. Learn which home remedies actually help, from OTC options to cold compresses, and when to call a dentist.

Porn use isn't just a habit — it's your brain's reward system at work. Here's the neuroscience behind compulsive viewing and how the cycle can change.

Research links kids' phone use to attention issues, anxiety, and delayed language. Here's what the science says and why limits are harder to set than they seem.

Heart inflammation can feel like chest pain, fatigue, or fever depending on which part is affected. Here's how to recognize the signs.

Poor sleep often comes down to caffeine, temperature, stress, or alcohol. Here's what's likely disrupting yours and what you can do about it.

Practical ways to manage hunger, from checking if you're truly hungry to choosing foods that keep you satisfied for longer.

Swollen ankles can stem from vein issues, medications, or organ problems. Learn what's likely causing yours and how to find relief.