Mast cell activation syndrome is a condition that causes mast cells to release an inappropriate amount of chemicals into your body. This causes allergy symptoms and a wide range of other symptoms.

Swelling, which can be internal or external, is the body’s response to inflammation, fluid buildup, injury, or illness. Visible signs of swelling include enlargement of the affected area and fluid ...

If there’s one thing you don’t want to endure, it’s the symptoms of norovirus, which also goes by the unfortunately apt moniker of “winter vomiting disease:” It triggers brutal GI upset for roughly ...

Myasthenia gravis is an autoimmune disorder that disrupts communication between nerve cells and muscles. It can cause muscle weakness and other symptoms depending on the affected areas. Myasthenia ...