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).
Causes of low blood pressure. Low blood pressure (hypotension) has many possible causes, from lifestyle choices, to medication or an underlying health condition.In some cases, it may just be the result of being healthy and active or a tendency you've inherited from your parents.ow blood pressure (hypotension) has many possible causes, from lifestyle choices, to medication or an underlying health condition. In some cases, it may just be the result of being healthy and active or a tendency you've inherited from your parents.