This was not a smooth process. The rise of executive power sometimes hurt important interests and always rubbed against the republican sensibilities that Americans inherited from the founders. From time to time, Congress reaped political benefits from thwarting the president. But today Congress reacts rather than leads.
Some of the causes of low blood pressure include: 1  Getting up after you sit or lie down. 2  This can cause a quick drop in blood pressure called orthostatic hypotension. 3  Standing for a long time. 4  Not drinking enough fluids (dehydration).
Some people have low blood pressure all the time. They have no signs or symptoms, and their low blood pressure is normal for them. In other people, certain conditions or factors cause abnormally low blood pressure.As a result, less blood and oxygen flow to the body's organs.For the most part, hypotension is a medical concern only if it causes signs or symptoms or is linked to a serious condition, such as heart disease.ome people have low blood pressure all the time. They have no signs or symptoms, and their low blood pressure is normal for them. In other people, certain conditions or factors cause abnormally low blood pressure.