Many of us have done countless rapid antigen tests (RATs) over the course of the pandemic. Testing ourselves at home has become second nature. But there’s also a growing worldwide market in medical ...

Mohana Ravindranath is a freelance health, science, and tech journalist and a 2025 Association for Health Care Journalists fellow. She was previously a Bay Area health tech correspondent for STAT.

Live crickets for your pet lizard. A private island in the Pacific. The latest Koontz thriller. Do-it-yourself medical tests. What isn’t for sale online these days? But think twice about the medical ...

The 21st Century Cures Act gave patients easy access to their health information. Now, some diagnoses delivered without context are causing high anxiety. By Danielle Friedman See more of our coverage ...

Does your diet meet your nutritional needs? The test for that is on sale. Want to know if you’re positive for HIV? Quest Diagnostics will tell you for $79. Concerned you have herpes? That test costs ...