Some fun milestones: 1  The diameter of the Milky Way is 100,000 light years; the observable Universe had this as its radius when it was approximately 3 years old.  When the Universe was one year old, it was much hotter and denser than it is now. The mean temperature of the Universe was more than 2 million Kelvin.
(high blood pressure) as a cause of chest pain in both men and women is listed first because it is the single most common cause of chest pain, including coronary artery disease itself. In other words, more people suffer from chest pain due to high blood pressure than those who have chest pain because of obstructive coronary artery disease.
Nevertheless, it is always important to rule out heart attack as the cause of chest pain or other chest symptoms, so seek professional medical help immediately. The list of medical condition causes of Chest pain (Chest area pain) includes: 1  Some possible causes of sudden chest pain include:  Heart attack.