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Tag: resistant hypertension

September 10, 2026

Primary Aldosteronism: When a Hormone Disorder Drives High Blood Pressure

How Aldosterone, Renin, the Aldosterone-to-Renin Ratio, Potassium, and Kidney Function Can Reveal a Hormonal Cause of Hypertension

How aldosterone, renin, the aldosterone-to-renin ratio, potassium, and kidney function help explain a hormonal cause of high blood pressure. Primary aldosteronism (PA) is a disorder in which one or both adrenal glands produce aldosterone partly […]

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July 18, 2026

Obstructive Sleep Apnea: When Poor Sleep Becomes a Whole-Body Health Risk

How nighttime airway blockages can affect oxygen, energy, blood pressure, blood sugar, heart health, hormones, and performance—and where lab testing adds context.

Obstructive sleep apnea, commonly called OSA, is a sleep-related breathing disorder in which the upper airway repeatedly narrows or closes during sleep. Each event may reduce airflow, lower blood oxygen, interrupt normal sleep, and activate […]

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