Explained in plain English

What is postural tachycardia syndrome?

Postural tachycardia syndrome, or PoTS, is a condition where your heart rate increases significantly when you stand up, leading to symptoms like dizziness, fatigue, and brain fog. Fidji Simo, a key figure at OpenAI, is stepping down from her full-time role due to this worsening neuroimmune condition, highlighting its impact on daily life and demanding roles.