Kaitlin Sullivan is a health and science journalist based in Colorado. She's been part of multiple award-winning investigations into health topics including the international medical device industry ...

Counties are colored red or blue when the % expected vote reporting reaches a set threshold. This threshold varies by state and is based on patterns of past vote reporting and expectations about how ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Julia is the associate news editor for Health, where she edits and publishes news articles on trending health and wellness topics. Her work has been featured in The Heights, an independent student ...

Since Philadelphia is arranged on a grid system, the mostly one-way roads are easy to navigate. Helpful maps are posted along street corners across the city – watch for the "Walk! Philadelphia" signs ...

ST. LOUIS — Twenty school districts are exempt from using the state's evaluation system for three years, instead the Missouri State Board of Education is allowing them to use alternative assessments.

A potassium blood test measures the potassium level in your blood to check your general health and diagnose conditions. Potassium helps regulate important body functions like muscle contractions and ...

Skin tests for allergies include skin prick testing, intradermal testing, and skin patch testing. Skin tests are generally safe but can cause irritation or, rarely, a severe allergic reaction called ...