ScienceInsights

Average penis girth is around 4.5 inches — here's what the research says and why most men misjudge their own size.

Blue-green poop is usually harmless and tied to what you ate. Here's what causes it and the few cases worth a call to your doctor.

From nerve endings to dopamine, here's what's actually happening in your body and brain when masturbation feels good.

Learn how to measure your foot width at home with just paper and a pen, and find out why getting the right fit can prevent common foot problems.

Ondansetron ODT blocks nausea signals in the brain and dissolves on your tongue—making it useful for chemo, surgery recovery, and more.

Corn's fiber content varies by form—fresh, popped, or canned. Here's what you're actually getting and how it affects your digestion.

Facial psoriasis needs a gentler approach than body treatment. Learn which options are safe for sensitive facial skin and how to manage flares.

Viagra is generally safe once daily, but timing, food, and health conditions can affect how you should use it. Here's what to know.

The vagina maintains itself through bacteria, natural fluids, and estrogen. Here's what normal discharge looks like and why douching does more harm than good.

Dark orange urine is usually dehydration, but it can also come from certain foods, medications, or liver issues. Here's how to tell the difference.