ScienceInsights

Ingrown toenails are painful, but cutting them out yourself can make things worse. Here's what actually helps at home and when to see a podiatrist.

Recurring mouth ulcers often come down to stress, diet, or even your toothpaste. Here's what's behind them and when to see a doctor.

Pooping twice a day is usually normal, but consistency, stool quality, and your personal baseline matter more than frequency alone.

Simple, evidence-based habits like eating more fiber, moving regularly, and sleeping well can help keep your blood sugar in a healthy range.

Green tea extract capsules vary widely in caffeine, from 20mg to over 200mg. Learn what to look for on labels and how to choose the right product.

Most 4-year-olds need 10 to 13 hours of sleep. Here's what that looks like day-to-day and how to tell if your child is getting enough.

Most people benefit from holding stretches 15–30 seconds, but consistency over time matters more than how long you hold each one.

When a cold hits, a few evidence-based steps like zinc, saline rinses, and sleep can help you recover faster and feel less miserable.

A 20-hour fast can support fat loss and insulin sensitivity, but some popular claims don't hold up. Here's what the evidence actually shows.