ScienceInsights

Most adults carry HSV-1, often without knowing it. Here's what the global and U.S. prevalence numbers actually mean for your health.

Semen volume is shaped by hydration, abstinence, hormones, age, and diet. Here's what the science says about each factor.

From chewing to elimination, here's how your digestive system breaks down food, absorbs nutrients, and keeps your gut running smoothly.

Red spots on your legs can mean many things, from harmless keratosis pilaris to conditions needing medical care. Learn how to tell the difference.

Practical ways to ease pregnancy nausea, from protein-rich snacks and ginger to B6 and acupressure, plus when to call your doctor.

Most moxifloxacin side effects clear up within days, but tendon and nerve issues can linger for weeks or months in some people.

Newborns sleep 16+ hours a day, but not how you'd expect. Here's what normal newborn sleep looks like in the first week and what to watch for.

Pregnancy cramps are common but manageable. Learn what causes them and find safe, practical ways to find relief throughout your pregnancy.

Morning sickness is driven by pregnancy hormones, but why it hits some people harder has a fascinating explanation — plus what actually helps.