ScienceInsights

Practical steps to improve gum health, from daily brushing habits to professional cleanings, nutrition, and what to realistically expect during recovery.

The Spanish flu killed an estimated 675,000 Americans, but the real toll may be even higher. Here's what the data reveals about who died and why.

Cheerios can support healthy blood pressure thanks to oats, but sodium and added sugar in some varieties matter. Here's how to make it work for you.

A hoarse voice often comes down to acid reflux, overuse, or dehydration. Learn what's likely causing yours and simple ways to protect your voice.

Learn which blood sugar levels are considered dangerously high, what symptoms to watch for, and when high glucose becomes a medical emergency.

Deep sleep happens during N3, the third stage of sleep. Learn what your brain does during this stage, how much you need, and why it matters for your health.

Simple, science-backed ways to lower blood sugar quickly, from a post-meal walk to smart food pairings and knowing when levels are dangerously high.

Theraflu contains ingredients that can raise blood pressure, but safer cold relief options exist for people with hypertension.

Eating disorders affect far more than weight. Learn how they impact your heart, bones, hormones, brain, and long-term health.

B vitamins don't work overnight for everyone. Learn what affects how quickly they take effect and what results you can realistically expect.