ScienceInsights

Struggling to breathe at night when stuffed up? Learn which sleep positions ease congestion and which ones make it worse.

Ambien isn't an opiate or narcotic, but it is a controlled substance. Here's what that means for how it works, drug testing, and safety.

Dentures are expensive, but there are more ways to pay than you might think. Here's how to use insurance, financing, and assistance programs.

Most foods are fine while breastfeeding, but a few—like high-mercury fish and alcohol—are worth limiting. Here's what the evidence actually says.

Nightfall is a normal part of human biology. Learn what causes it, who experiences it, and simple ways to manage it if it bothers you.

From OTC suppressants to prescription options, learn which cough medicines work best, when honey helps, and when to see a doctor.

Small daily habits like consistent sleep times, avoiding alcohol, and managing stress can meaningfully improve how much REM sleep you get each night.

Learn what it takes to earn a nursing certification, from eligibility and exam costs to study tips and keeping your credentials current.

Brain fog often comes down to sleep, hydration, diet, or nutrient gaps. Learn what's likely causing yours and when it's worth seeing a doctor.

Insulin resistance and prediabetes are related but not the same thing. Learn how they differ, how one leads to the other, and what you can do about both.