As a relationship first begins, one reacts differently than they do as it develops into a long-term romantic commitment.
Because there is a visible drop in cortisol levels in the body, which in turn increases the body's stress reaction, tension is a noticeable part of the early phases of love.
The stress-related heart attacks seen in those who have just lost a loved one are known as takotsubo cardiopathy.
The area of the human body where different actions in specific regions convey love and cause changes in heartbeat is the brain.
When someone first falls in love, cortisol, which lowers immune response, is released as a result of true love.
When someone first falls in love, the desire they have for their spouse can be stressful and euphoric to an uncontrollable level.
Long-term relationships can be challenging to maintain, but the research is clear that married couples who are in love have better cardiovascular health overall.