The most common cause of vascular obstruction is a blood clot, also known as a DVT. This type of vascular problem usually occurs in one leg (not both), and leads to swelling of the soft tissues throughout the foot and ankle. The swelling can also extend further up the leg.
The hypothalamus is a part of your brain that controls body temperature. When you exercise, your body temperature increases, causing the hypothalamus to signal the brainstem to further increase your heart rate.
1 This âMonday cardiac phenomenonâ has long been believed to be related to work stress. 2  Two recent studies shed light on the persistent link between stress and sudden heart attacks.  In one, a group of German researchers found that as your stress level rises, so do your levels of disease-promoting white blood cells.