Postural Orthostatic Tachycardia Syndrome (POTS) is a disorder of the autonomic nervous system that affects blood flow and circulation. It is characterized by an excessive heart rate increase (by 30 bpm in adults, 40 bpm in teens) when moving from lying down to standing, often leading to dizziness, lightheadedness, palpitations, and fatigue. Key Symptoms: • Dizziness or fainting upon standing • Rapid heart rate (tachycardia) • Brain fog and difficulty concentrating • Fatigue and exercise intoler