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 ...

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 ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Jay N. Yepuri, MD, ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Erika Rasure is globally-recognized as ...

If you have trouble breathing, your doctor may recommend a few tests to figure out what’s causing it. Some measure how much air you breathe in or out or how much oxygen is going from your lungs to the ...

If you've had stomach pain recently, you might have wondered how to check if you have appendicitis at home. Appendicitis is the most common cause of abdominal pain that results in surgery in the ...

A discovery in mice reveals why fasting enhances a type of breast cancer treatment — a hormone-signalling pathway and gene-expression changes have key roles. Updated estimates of the worldwide sources ...