Some nebulae create their own light, which sometimes has a fluorescent appearance, while others only reflect the light from nearby stars. Nebulae are often seen around dying stars, and it's thought they may be a natural process that occurs when a star is nearing the end of its life. Nebulae resemble thin clouds that have less atoms per cubic inch than a cloud of smoke.
Cardiomyopathy is a group of diseases that affect the heart muscle. Early on there may be few or no symptoms. Some people may have shortness of breath, feel tired, or have swelling of the legs due to heart failure. An irregular heart beat may occur as well as fainting.
Heart disease can be brought on by a number of things. Stress causes high blood pressure which can halt blood flow, leading to a lack of blood in the heart causing heart cells to die, which is a heart attack.This can also be caused by too much fat in the diet which can block arteries and causing a heart attack.eart disease can be brought on by a number of things. Stress causes high blood pressure which can halt blood flow, leading to a lack of blood in the heart causing heart cells to die, which is a heart attack.