Tryptasemia & Co-Morbidities
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- Details
- Written by: Karen Smith-Will
- Parent Category: Research
- Category: Tryptasemia & Co-Morbidities
Several years ago, our family had the good fortune to visit Quebec, Canada. I wanted to climb Mont-Saint-Hilaire, especially because of the pegmatite(s) found there. (See our Morefield mine project; that mine follows a pegmatite in Amelia, Virginia.) Our family walked together regularly, so this hike should not have been excessive.
- Details
- Written by: Karen Smith-Will
- Parent Category: Research
- Category: Tryptasemia & Co-Morbidities
Tryptasemia.com and Tryptasemia.org were created to help people find information about Hereditary Alpha Tryptasemia Syndrome quickly.
- Details
- Written by: Karen Smith-Will
- Parent Category: Research
- Category: Tryptasemia & Co-Morbidities

Hereditary Alpha Tryptasemia, or HAT, has also been called familial tryptasemia and hypertryptasemia. Here are a few important numbers to remember (updated 3/2023).
- Details
- Written by: Karen Smith-Will
- Parent Category: Research
- Category: Tryptasemia & Co-Morbidities
Many people with Hereditary Alpha Tryptasemia Syndrome, or HATS, have struggled through years of doctors, specialists, tests, and medications already. Determining whether one has multiple copies of the TPSAB1 gene has become easier since 2018.
- Details
- Written by: Karen Smith-Will
- Parent Category: Research
- Category: Tryptasemia & Co-Morbidities

If you have recently discovered you have Hereditary Alpha Tryptasemia Syndrome, you're not alone. We're gradually adding faces and stories.
- Details
- Written by: Karen Smith-Will
- Parent Category: Research
- Category: Tryptasemia & Co-Morbidities

This is the original published version of this story. An abridged version was published on Mast Cell Research as a winner in their October 2017 story contest. In March 2018, I was diagnosed genetically with Hereditary Alpha Tryptasemia Syndrome.
- Details
- Written by: Karen Smith-Will
- Parent Category: Research
- Category: Tryptasemia & Co-Morbidities
This article was written in 2010, 8 years before I was confirmed genetically to have Hereditary Alplha Tryptasemia Syndrome. It was written as a business article, but it details the challenges I experienced before understanding the nature of my illness and how it impacted daily life.