Biology Insights

Learn what semen is made of, how it works, and what factors like diet and lifestyle can affect its quality and fertility potential.

From antifungal creams to probiotics and diet, here's what actually helps with thrush and how to stop it coming back.

Subdural hematomas can result from head trauma, slow bleeds, or medical conditions. Learn what causes them and which groups face the greatest risk.

Reb M is a stevia-derived sweetener with a cleaner taste, but it's rare in the plant. Here's how it's made, regulated, and processed by your body.

Leptomeningeal disease occurs when cancer spreads to the membranes around the brain and spine. Learn about symptoms, diagnosis, and treatment options.

Xenical blocks about a third of dietary fat from being absorbed. Here's how it works, what results to expect, and why its side effects are part of the design.

Mild dementia affects daily tasks but is often manageable. Learn how it differs from MCI, what causes it, and what families can expect.

Encephalitis treatment depends on the cause, but often starts before a diagnosis is confirmed. Learn how viral, autoimmune, and other types are managed.

Vomit color can reveal a lot about what's happening in your body. Learn what each shade means and when it's time to seek medical care.

Projection is when we attribute our own feelings to others. Learn why it happens and practical ways to catch yourself doing it.

Ambiguous loss happens when grief has no clear ending — like losing someone to dementia or estrangement. Here's why it's uniquely hard and how people cope.

The ADA doesn't prescribe one strict diet for diabetes. Learn which eating patterns it supports and how to manage blood sugar in a way that fits your life.

Protein, fiber, sleep, and a few simple habits can genuinely help curb hunger. Here's what the science says actually works.

Most bruises heal in 2 weeks, but age, location, and medications can change that. Learn what affects bruise healing and when to see a doctor.

From OTC pain relievers to prescription options and lifestyle changes, here's what actually helps with migraines.

Yellow mucus doesn't always mean infection. Learn what causes the color change and simple ways to help clear it up.

Valsartan isn't a diuretic, though it's easy to see why people mix them up. Learn how this blood pressure medication actually works and what sets it apart.

Michelob Ultra is low in carbs, but that doesn't make it truly keto-friendly. Here's how alcohol affects ketosis and what to consider before cracking one open.

Learn how hearing loss develops, what causes it, and what you can do about it — from early warning signs to treatment options and prevention.