Conjunctivitis or episcleritis and scleritis comprised the most common eye manifestations, while cataracts (11.7%) and visual ...

AAV is a multi-organ disease, which can be complex and may vary from person to person. Types of AAV include granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA), and eosinophilic ...

Acanthamoeba keratitis is a rare but blinding parasitic eye disease. Experts share how to avoid it and treat it.

Scoop up a cup of water anywhere on Earth, and you will find strange, entrancing life-forms called plankton. From brilliantly colored blobs to miniature monsters adorned with tentacles and gigantic ...

Joy Emeh is a professional health writer, editor, content strategist, and career development coach with up to four years of experience in the health writing space. She is interested in all things ...

Selene Yeager is a health and fitness writer with over 25 years of experience. Her work has appeared in Shape, O, the Oprah Magazine, Men’s Health, Women's Health, Marie Claire, Good Housekeeping, ...

Spotting new bumps on your body can leave you scrambling to find pictures of skin rashes to compare them against. While there’s a large range of things that can cause skin rashes, doing your best to ...

This story appears in the May 2020 issue of National Geographic magazine. It has been updated with new research. At this moment, hundreds or thousands of tiny eight-legged animals are nestled deep in ...

Individuals with incomplete and complete microscopic colitis share similar risk factors, demographics, and response to therapy.