ScienceInsights

When home remedies stop working for hemorrhoids, medical treatments like rubber band ligation or surgery can offer lasting relief. Here's what to expect.

Learn how hCG levels rise week by week in early pregnancy, what normal doubling looks like, and what slow or abnormal changes may indicate.

Learn how bacterial and fungal scalp infections develop, what symptoms to watch for, and how they're treated and prevented.

Learn practical, science-backed ways to calm your nervous system faster, from breathwork and cold exposure to morning light and vagus nerve tools.

A blood glucose of 90 mg/dL is generally healthy, but context matters. Learn what this number means fasting, after meals, in diabetes, and during pregnancy.

Mupirocin is not a sulfa drug—it works differently and is safe for people with sulfa allergies. Learn what it treats and how it compares.

Smelly gas is usually caused by sulfur-rich foods, but sometimes it signals a health issue. Learn what's normal and when it's worth a doctor's visit.

Learn what causes paroxysmal atrial tachycardia, how episodes feel, and what you can do to manage or treat this heart rhythm condition.

Small changes like pairing carbs with protein, cooling starches, or adding vinegar can meaningfully lower the glycemic impact of your meals.

Tennis elbow is usually caused by repetitive arm movements, not tennis. Learn what damages the tendons and who's most at risk.