The Wellness Way - Conshohocken

10/20/2026

What thyroid labs should you ask for? A full thyroid panel usually includes TSH, free T4, free T3, total T4, total T3 and TPO and thyroglobulin antibodies. Fasting insulin and ferritin can fill in the rest of the picture.

TSH alone is one signal, not the whole story. Swipe through, then save this for your next appointment.

Want help reading your labs? Want a fresh perspective? Book a complimentary 15 minute call with Dr. Zach DeCarlo, The Wellness Way Conshohocken. Link in bio. We see patients in Conshohocken and the Main Line, and virtually.

10/20/2026

If the same food is fine one day and wrecks you the next, that can be incredibly frustrating.
Most people assume the food itself must be the whole problem. Sometimes it is not.
Sometimes the real issue is that your reaction threshold got lower.
Less sleep can do that.
An irritated gut can do that.
Hormone shifts can do that.
Mold and environmental stress can do that.
Chronic stress can do that too.
So the better question is not only, “What did I react to?”
It is also, “What changed in my body before I reacted?”
That is the conversation I want people to start having.
The food is often the last drop, not the whole bucket.
If this sounds familiar, save this post and share it with someone who keeps reacting to “healthy” foods and cannot figure out why. If you want help looking deeper, message us or call the office.

10/19/2026

If the same food is perfectly fine one day but causes bloating, flushing, headaches, or other reactions the next, there's a reason I want to look beyond the food itself.

Your immune system doesn't operate independently from the rest of your body. Your gut, nervous system, hormones, and immune system are constantly communicating with one another. When something changes in one system, it can influence how the others respond.

Think about it this way. Maybe you haven't been sleeping well, your gut has been irritated, your hormones are shifting, or you've been dealing with more stress than usual. Each of these factors can influence inflammatory signaling and, in some people, make reactions more likely. Now you eat something you've tolerated for years, and suddenly your body responds differently.

That doesn't automatically mean you've developed a new food allergy, and it doesn't necessarily mean you have MCAS. But it does tell us that we need to understand what's happening throughout the body instead of assuming every reaction is caused by the food alone.

This is why I always want to understand the bigger picture. What changed in your gut? What's happening with your immune system? Are your hormones or nervous system influencing how your body responds? These are the questions that help us determine what deserves further investigation.

Sometimes the food is simply the last drop that fills an already full bucket.

If your list of foods keeps getting smaller while your reactions keep getting worse, it may be time to look at the entire picture.

At The Wellness Way Conshohocken, we work to understand the individual factors that may be contributing to your health concerns. If this sounds familiar, message us or call the office.

10/17/2026

10/09/2026

Your immune system is your body's defense against everything. When it's compromised by an autoimmune condition, it can struggle to cope. This makes developing multiple autoimmune issues highly likely.

10/09/2026

One of the biggest mistakes we make when talking about mast cells is imagining that they only have two settings: activated or not activated.

The physiology is much more interesting than that.

Mast cells can release histamine, but they can also produce prostaglandins, leukotrienes, cytokines, chemokines, proteases and a number of other signaling molecules. Even more importantly, they do not necessarily release all of those things in the same amount every time they are activated.

The signal coming into the mast cell matters.

The tissue that mast cell lives in matters.

The receptors being activated matter.

The inflammatory environment around that cell matters.

That means one mast cell reaction does not necessarily have to look exactly like another mast cell reaction.

Someone may have a reaction where itching and flushing are obvious. Another person may notice congestion, abdominal cramping or diarrhea. Someone else may experience headaches, changes in heart rate, feeling lightheaded or a combination of symptoms across several different systems.

And even within the same person, the pattern can change.

That is one of the reasons I think reducing mast cell problems down to simply “too much histamine” misses a huge part of the physiology.

Histamine matters. But the mast cell is not simply a bag of histamine waiting to explode.

It is an immune cell constantly receiving information from the environment around it and deciding how to respond.

Sometimes that response involves rapid release of substances already stored inside the cell. Other times the mast cell can begin producing new inflammatory mediators like prostaglandins, leukotrienes or cytokines.

Different signal. Different response. Potentially different symptoms.

Now think about this from the patient’s perspective.

You might be wondering why one reaction makes your skin turn red, while another seems to hit your stomach. Why one day you are itchy and another day you are congested. Why sometimes your heart races and other times you simply feel exhausted or wiped out afterward.

Those differences do not automatically mean MCAS. There are many other conditions that can cause those symptoms and they still need to be properly evaluated.

But if you are experiencing strange combinations of symptoms across multiple systems, mast cell physiology gives us one important framework for understanding how one immune cell can potentially influence very different parts of the body.

This is why I care so much about looking at the bigger picture.

The question is not always, “Do you have too much histamine?”

Sometimes the better question is, “Why is this immune cell reacting, what is it releasing, and what is influencing that response?”

If you have spent years treating one symptom at a time and still feel like nobody has connected the dots, message our office.

Sometimes those dots are exactly where the story starts to make sense.

10/07/2026

Mold can feel like the worst thing imaginable, impacting everything from your immune system to hormone levels. But it is beatable. Focus on supporting your body's environment and health, not just diet, to truly recover and regain your well-being.

10/07/2026

Sometimes the food gets blamed. Sometimes it is the heat, exercise, a stressful week, or something completely different. Eventually, some people get to the point where it feels like their body is reacting to everything.

But here is the question I want more people asking: why did your body become so reactive in the first place?

Your nervous system and immune system are not two separate systems operating independently. They are constantly communicating. Mast cells actually sit close to nerve endings throughout tissues like the skin and gastrointestinal tract. Nerves can release signals that influence mast cell behavior, while mast cells can release histamine, prostaglandins, leukotrienes, cytokines, proteases and other mediators that influence nerves, blood vessels, the gut and surrounding tissues.

Now imagine someone whose system is already highly reactive. They eat a certain food and their stomach blows up. They get hot and suddenly their face is flushing. Their heart starts pounding. Then they have a stressful day and everything seems worse.

It is easy to look at each trigger individually and assume the food, heat, exercise or stress is the entire problem. Sometimes I am much more interested in what is happening underneath all of those reactions. The trigger may simply be the thing that pushes an already reactive system over its threshold.

This is where mast cells become interesting. Mast cells are immune cells designed to respond to what is happening in the environment around them, and one of the systems communicating with them is your nervous system.

That does not mean your symptoms are caused by anxiety. It means your nervous system, immune system, gut, blood vessels and inflammatory signaling are connected. That distinction matters.

If you are dealing with some combination of flushing, itching, food reactions, bloating, diarrhea, headaches, congestion, a racing heart or feeling lightheaded, and nobody has been able to explain why so many different systems seem involved, there may be more to investigate.

That does not automatically mean MCAS. But mast cell physiology is one of the things worth understanding when the pattern fits.

If this sounds like the puzzle you have been trying to figure out, message our office. Sometimes the bigger question is not simply what triggered the reaction. It is why your body became so reactive to that trigger in the first place.

10/06/2026

Feeling limited to a handful of foods? It's not always the foods themselves, but your immune system's overloaded reaction. When your body's threshold is maxed out, even a single food can trigger a massive response. sensitivities system