ScienceInsights

Learn about the three screening tests used to diagnose Cushing's syndrome, what can skew results, and how doctors track down the source of excess cortisol.

Certain foods like beets, leafy greens, and fatty fish can genuinely support healthy blood flow. Here's what the science says and how they actually work.

At 4 weeks pregnant, a lot is already happening. Learn about early symptoms, what your positive test means, and your first steps toward a healthy pregnancy.

Alcohol affects your liver, brain, sleep, and cancer risk more than most people realize — here's what the research actually says.

From electrolyte imbalances to sleep apnea, learn what commonly triggers an irregular heartbeat and how doctors identify the cause.

Blue food dyes are common in everyday foods, but what does the research actually say about cancer risk, ADHD, and allergies?

Lantus can stay unrefrigerated for up to 28 days, but temperature, container type, and storage conditions all affect how long it stays safe to use.

Learn practical ways to manage anxious and avoidant attachment patterns so you can build healthier, more secure relationships over time.

Most styes heal with warm compresses at home, but some need medical care. Learn safe treatments, what to avoid, and how to prevent them from returning.

FAST helps identify stroke symptoms, but it doesn't catch everything. Learn what each letter means, its limitations, and why acting quickly is so important.