by MASA | Jul 16, 2026 | Mast Cells Activation Syndrome (MCAS), Patient Resources, Postural Orthostatic Tachycardia Syndrome (POTS)
Postural Orthostatic Tachycardia Syndrome (POTS) often involves deconditioning: a smaller, weaker heart that must beat faster to compensate. Standing or upright exercise can trigger the very symptoms — racing heart, lightheadedness, fatigue — that make it hard to move...
by MASA | Jul 15, 2026 | mast cells, Patient Resources
Low-Histamine Eating for Mast Cell Disorders A Patient Guide for MCAS, Mastocytosis, and Related Conditions by Midwest Allergy Sinus Asthma SC Some foods are naturally high in histamine or trigger histamine release in the body. For patients with mast cell disorders,...
by MASA | May 2, 2026 | mast cells, Mast Cells Activation Syndrome (MCAS), Patient Resources
GLP-1 Medications and Mast Cell Activation Syndrome (MCAS) What is MCAS? Mast Cell Activation Syndrome (MCAS) is a condition in which mast cells — a type of immune cell found throughout your body — become overactive and release too many chemical signals. This can...
by MASA | Apr 28, 2026 | Clinical Resources, mast cells
This clinical guide provides a technical overview of mast cell disorders, categorizing them into three primary classifications: clonal overgrowth, inappropriate activation, and inherited high-tryptase states. Mast Cell Disorders: Clinical Classification &...
by MASA | Apr 28, 2026 | mast cells, Patient Resources
What are mast cells and what do they do? Mast cells are a vital part of your immune system. Their primary job is to protect your body by releasing chemicals, such as histamine, when they detect a threat like an infection or an allergen. What happens during a mast cell...
by MASA | Mar 24, 2023 | Allergies, Gene test, Immune System, mast cells, Patient Resources, Rare Diseases
Hereditary alpha tryptasemia (HAT) Hereditary alpha tryptasemia (HAT) is a rare genetic condition that is caused by mutations in the TPSAB1 gene, which codes for alpha tryptase, a type of enzyme that is released from mast cells. Mast cells are a type of white blood...
