Mast Cell Activation Syndrome: Here’s What You Need to Know When Histamine Goes Haywire

Unfortunately, mast cell disorders and mast cell activation syndrome (MCAS), in particular, are on the rise these days. I believe it’s in part because of the constant barrage of environmental toxins, molds, and chemicals. 
Let’s take a look at what exactly mast cell activation syndrome is, how it might be causing your mystery symptoms, and what you can do.