ScienceInsights

Upper GI bleeding has several causes, from peptic ulcers and varices to medications and tears. Learn what's behind the bleeding and who faces the highest risk.

Psychiatrists are medical doctors who diagnose and treat mental health conditions using therapy, medication, and more. Here's what they do and how they can help.

Pressure control ventilation delivers breaths at a set pressure rather than volume, offering a decelerating flow pattern that may better suit certain patients.

Collagen doesn't naturally contain biotin, but many supplements combine both. Learn why, how much biotin you need, and whether taking them together makes sense for you.

A 217 cholesterol reading sits in borderline high territory, but your total number is only part of the story. Here's what it actually means for your health.

A practical guide to taking lithium safely, covering dosing, timing, hydration, blood monitoring, and how to recognize signs of toxicity.

SPF 100 offers only marginal UV protection over SPF 50, and may create a false sense of security. Here's what the research actually says.

Memory care is expensive, but Medicaid, VA benefits, tax deductions, and other options can make it manageable. Here's how to build a realistic payment plan.

Body aches got you down? Learn when to use heat or cold, how sleep affects pain, and which remedies actually help you feel better faster.

Smelly gas comes down to gut bacteria and what you eat. Here's what's actually happening and how to reduce the odor.