ScienceInsights

Smoking and vaping both carry risks, but they work differently and affect your body in distinct ways. Here's what the science actually shows.

Wisdom teeth once helped our ancestors chew tough foods, but shrinking jaws changed everything. Here's what they're actually for and why some people never get them.

A straightforward look at how erections work, what affects them, and how they change over time.

IUI success rates vary by age, diagnosis, and cycle count. Here's what the data shows about your realistic chances.

From OTC creams to prescription fluconazole, learn which yeast infection treatments work, what's safe during pregnancy, and when to see a doctor.

Mono is most contagious in the first few weeks, but you can still spread it after recovery—and even intermittently for life.

A white tongue is usually harmless buildup, but it can sometimes signal something more. Learn what causes it, how to treat it, and when to see a doctor.

Macro tracking goes beyond calories by focusing on protein, carbs, and fat. Learn how it works, how to set targets, and whether it's right for your goals.

Ten centimeters is about the size of a bagel. Here's what full cervical dilation actually looks like, how it's measured, and what to expect during labor.

White rice can be gentle on a sick stomach, but there's more to know about how to eat it, when to skip it, and what pairs well with it.