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How to get involved
Mastocytosis & Mast Cell Diseases Awareness Day 2026
This year's theme is “Unnoticed. Unmistakable.” There's many ways to spread the word.
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The painkiller paradox
Is aspirin safe in systemic mastocytosis?
Aspirin can trigger symptoms in systemic mastocytosis. Here is what to know before reaching into the medicine cabinet.
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An overlooked risk in ISM
Broken sleep is a big problem for people with indolent SM
People with ISM often sleep badly, and this poor sleep is linked to a worse quality of life.
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A companion for the SM journey
The information, insights and support you need every step of the way
Systemic mastocytosis is rare, but estimates vary. Learn what studies show and why SM can be hard to count.
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Your SM Journey
Click below for a selection of articles customized just for you
SM Basics
New to SM? Start here to find out about symptoms, diagnosis, treatment and more.
Overview
From the SM Ambassador
MORE PERSPECTIVES
Feature
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How (and why) to track your systemic mastocytosis symptoms
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The painkiller paradox: Is aspirin safe in systemic mastocytosis?
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Systemic mastocytosis and bone health: Your ultimate guide
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Self-advocacy and systemic mastocytosis: How to make your voice heard
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Bone marrow biopsy versus aspiration: What’s the difference?
