the executive power of the federal government is vested in the president. the president has the power to appoint ambassadors, members of the Cabinet, Justices of the Supreme Court and Judges of the lower Federal Courts.
Image: Film Magic/Film Magic/Getty. Stress is the most common cause of irregular periods. Cortisol, the stress hormone, has a direct impact on how much estrogen and progesterone, two sex hormones, gets produced by the body. If you have too much cortisol in your bloodstream, the time and flow of your cycle could change.
The most common causes of hormone imbalance: 1  Stress and a hectic lifestyle can release stress hormones, which can disrupt your usual cycle and cause a late period. 2  Diet and unhealthy eating can impact your body and your flow. Similarly, weight loss or gain can make changes to your period.