ScienceInsights

Code S in a hospital can mean sepsis, seizure, or something else entirely — here's what it usually signals and why codes differ by facility.

Some foods and herbs like sage, peppermint, and parsley may reduce milk supply while breastfeeding. Here's what the evidence actually says.

Learn to recognize ST elevation on an ECG, including its key shapes, related patterns like hyperacute T waves, and how to tell a STEMI from pericarditis or early repolarization.

T and B cells are the immune system's targeted defenders, each with a specific role in fighting infection and building long-term protection.

ALD is a rare genetic disorder that damages myelin in the nervous system. Learn how it's diagnosed, who it affects, and what treatments are available today.

Learn how the Charlson Comorbidity Index works, with a step-by-step example covering condition weights, age adjustment, and what the final score means.

COPD affects far more than breathing — learn how it impacts your heart, muscles, mental health, sleep, and bones.

A look at how societies throughout history have understood and treated disability, from ancient Greece to the postwar disability rights movement.

Strong-smelling urine is usually harmless, but it can sometimes signal dehydration, infection, or other health conditions worth knowing about.