The Science
Potassium, Magnesium, and POTS: What the Evidence Actually Supports
Separating well-supported electrolyte roles from hopeful internet claims, and why 'more electrolytes' is not automatically better for POTS.
The Science
What the research says about blood volume, sodium, and POTS.
The Science
Why Standing Up Makes Your Heart Race: The Autonomic Reflex
The baroreflex in everyday terms, what goes sideways with it in POTS, and how the body's compensation explains the racing heart and symptoms.
The Science
The Tilt Table Test, Explained in Plain Language
What a tilt table test actually measures, the heart-rate pattern clinicians look for in POTS, and what a result does and does not tell you.
The Science
How Sodium Helps Your Body Hold On to Fluid
The osmosis-and-kidneys story behind 'salt and water' advice for POTS, explained simply — including why the effect has real limits.
The Science
What Is Blood Volume, and Why Does It Matter in POTS?
A plain-language explainer on blood volume, the standing response, the hypovolemic subtype of POTS, and where sodium and fluids fit in.