ScienceInsights

Alzheimer's rarely appears on death certificates, but it's often the underlying cause. Learn what actually leads to death in late-stage Alzheimer's disease.

Accutane is no longer a brand, but isotretinoin is still prescribed for severe acne. Here's how it works today, who qualifies, and what to expect.

Mammograms can detect more than just lumps. Learn what radiologists look for, how breast density affects results, and what to expect if something looks unusual.

Psychogenic pain is real pain without a clear physical cause. Learn how the brain generates it, how doctors diagnose it, and what treatments actually help.

Bicep twitching is usually harmless and tied to stress, caffeine, or low magnesium. Here's what's causing it and when to see a doctor.

Learn what lice eggs actually look like, where to find them, and how to tell them apart from dandruff so you can spot an active infestation early.

Parvo is a serious but preventable dog illness. Learn how it spreads, what symptoms to watch for, and how treatment and vaccination can protect your dog.

Learn how hepatitis B spreads, what symptoms to expect, and how chronic infection is managed and prevented through vaccination.

Feeling emotionally numb isn't permanent. Learn practical ways to reconnect with your feelings, starting with your body, your words, and small moments of honesty.

Bipolar II involves hypomania and depression, not full mania. Learn how it's diagnosed, why it's often missed, and how people manage it long term.