What Is Coronary Heart Attack And What Causes It ?

A coronary heart attack is also known as myocardial infarction. It occurs when there is reduced supply of oxygen and nutrients to the myocardium or the wall or muscle of the heart through the coronary arteries. The coronary arteries are not able to supply the oxygen and nutrients when they are blocked; most often die due to plaque formation.

Stomach Virus Canker Sores

Canker sores are extremely painful mouth ulcers that appear suddenly. Canker sores are often mistaken for cold sores but they are quite different as they form inside the mouth, on the tongue, on the cheek lining, or under the tongue.