ScienceInsights

Mannose may help prevent UTIs by giving bacteria something to grab onto besides your cells. Here's what the science actually shows.

Enemas can relieve constipation and prep your bowel for procedures, but misuse carries real risks. Here's when they help and when to skip them.

Learn how to treat a minor burn at home, what to avoid putting on it, and how to reduce scarring as the skin heals.

HSV-1 infects most people worldwide, often without symptoms. Here's what the data says about how common it is and what it means for you.

Collagen powder is mainly hydrolyzed collagen peptides, but the source, amino acids, and added ingredients vary more than most labels let on.

Upper right abdominal discomfort can stem from several liver conditions. Learn what commonly causes liver soreness and when symptoms need medical attention.

Learn how IV, IM, SC, and other parenteral routes work, and why doctors choose one over another depending on the medication and situation.

From heat therapy to anti-inflammatories and stretches, here are the period back pain treatments backed by evidence.

Penis growth typically begins between ages 9 and 14 and wraps up by the late teens. Here's what's normal and when to check with a doctor.

From identifying triggers to choosing the right treatment, here's how to calm an itchy rash and know when to see a doctor.