I dislike making other people feel uncomfortable. Turning a light-hearted conversation into a heavy one by referring to my sister’s death, or standing up for myself to reduce infection risk, is the social equivalent of getting an IV to me. Part of my journey has been learning to approach my…
Mutations & Conversations
— Tré LaRosa

Tré LaRosa is a scientific project manager, patient advocate, and writer. He has cystic fibrosis (CF) and carries two copies of the F508del mutation. He’s been on Trikafta since 2019. He writes about science, living with CF, grief, family, and everything in between in an effort to get you thinking about what it means to be human. He lives in Arlington, Virginia with his fiancée Jessica and their two wonderful, lazy dogs, Duncan and Leo. He enjoys playing sports, being outdoors, and reading — and especially buying more books.
My sister, Alyssa, has been a frequent subject of my writing since she died in 2018 at age 29. Even when I wasn’t sure of myself as a writer, she was highly supportive of my burgeoning interest in the craft. After she died, I determined that writing, especially about grief…

Toward the end of my time in college, I faced an identity crisis. For more than seven years, I had been dead set on becoming a physician. I had no question in my mind: I wanted to use my experience of cystic fibrosis (CF) for good by training to…
Every few months, I like to take breaks from social media. Sometimes these breaks are total, self-enforced social media blackouts. I delete the apps on my phone, use another app to block the websites, and even recruit a friend to change the passwords. Social media — like other methods…
This column was my first official writing gig. I started my blog almost three years ago, but my posts were inconsistent and didn’t have a clear voice. “Mutations & Conversations” provided me with a space to write about the many facets of life with cystic fibrosis (CF) without…
Last week, I was invited to speak to the Cystic Fibrosis Foundation to discuss my personal experiences with cystic fibrosis (CF). Coincidentally, my speech happened to fall on the anniversary week of the beginning of this column — which has been critical to the development of my skills as…
Few phenomena fascinate me more than human happiness. So often we get caught up in the idea that we would be happier if so-and-so happened. I’m sure I won’t be the first to tell you that the grass ain’t always greener on the other side. This idea is known as…
Climate change is an emergency facing humanity. As we continue to burn fossil fuels and release greenhouse gases, solar heat levels build up in the atmosphere, which acts as an incubator, causing our planet to get hotter. Some populations will be more severely affected by climate change than others…
Doctors receive training in particular specialties and, in some cases, subspecialties. But “specialties” and “subspecialties” can be described as a “broad array of diseases” and “broad array of fewer diseases.” I’m not trying to dismiss the expertise of medical professionals or reduce them to their skill sets. I’d never…
The cystic fibrosis community has access to three cystic fibrosis transmembrane conductance regulator (CFTR) modulators right now: Kalydeco (ivacaftor), Orkambi (lumacaftor/ivacaftor), and Symdeko (tezacaftor/ivacaftor). These CFTR modulators are each approved for specific mutations and age groups. If you’ve been following the progress in this area, you’ll be…
The life of a person with CF is constantly affected by language. A common debate in the community is how best to label us. Is it better to call someone a CFer or a person/adult/child with CF? To some, CFer means their life is singled down to one identifying characteristic,…
I’ve always been able to eat whatever I wanted. That’s just a part of growing up with CF. Kids are picky eaters to begin with, but when you combine the inability to gain weight with pickiness, it results in headaches and frustration. So, when I was a kid, our doctors…
In my senior year of high school, I went to the exercise section of Dick’s Sporting Goods and searched for boxing gloves. I had decided on a whim that I wanted to learn how to box. At the time, I was mostly weight lifting, and the majority of my…
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