ScienceInsights

Plan B is generally safe for most people, with no proven long-term health risks. Here's what the science says about how it works and when to be cautious.

Tertiary syphilis can't spread to others, but it can still cause serious organ damage. Here's what happens at this late stage and why treatment still matters.

Pica can cause serious harm, from gut blockages and lead poisoning to infections and nutritional deficiencies. Here's what eating non-food items does to the body.

Clinical anxiety goes beyond everyday worry. Learn what sets it apart, how it's diagnosed, and what treatments actually help.

Learn how ADHD symptoms actually show up across ages and genders, what's happening in the brain, and how doctors tell it apart from similar conditions.

Vaginal pain can stem from infections, product irritation, muscle tension, or chronic conditions. Learn what might be causing your discomfort and how to find relief.

Dopamine, repetition, and reward circuits explain why masturbation can feel compulsive — and what your brain actually looks like when habits form or break.

Okra is more than a Southern staple. Learn how it's used in cooking, gut health, blood sugar support, and even water treatment.

The Communication Matrix helps caregivers and professionals understand how people with severe communication challenges express themselves and track their progress over time.

Balding has real causes and real treatments. Learn what's driving your hair loss and which options—from minoxidil to transplants—are worth considering.