Why Do I Feel Lightheaded When I Stand Up?

The video explains the phenomenon of a head rush, often caused by a sudden drop in blood pressure when standing up quickly. It discusses how blood pressure varies throughout the day and between individuals, highlighting the dangers of both high and low blood pressure. The video introduces orthostatic hypotension, a specific type of low blood pressure that occurs when standing up too fast, and offers advice on preventing dizziness by standing up slowly.

What new insight or understanding did you gain from this video?