Etiology
Physical causes of erectile dysfunction. In most cases, erectile dysfunction is caused by something physical. Common causes include: 1  Heart disease. 2  Clogged blood vessels (atherosclerosis). 3  High cholesterol. 4  High blood pressure. 5  Diabetes. 6  Obesity.  In humans, disease is often used more broadly to refer to any condition that causes pain, dysfunction, distress, social problems, or death to the person afflicted, or similar problems for those in contact with the person. Morbidity (from Latin morbidus, meaning sick, unhealthy) is a diseased state, disability, or poor health due to any cause. The term may be used to refer to the existence of any form of disease, or to the degree that the health condition affects the patient. A disease is a particular abnormal condition, a disorder of a structure or function, that affects part or all of an organism. The causal study of disease is called pathology. Disease is often construed as a medical condition associated with specific symptoms and signs. It may be caused by factors originally from an external source, such as infectious disease, or it may be caused by internal dysfunctions, such as autoimmune diseases. Morbidity (from Latin morbidus, meaning sick, unhealthy) is a diseased state, disability, or poor health due to any cause. The term may be used to refer to the existence of any form of disease, or to the degree that the health condition affects the patient. Death due to disease is called death by natural causes. There are four main types of disease: pathogenic disease, deficiency disease, hereditary disease, and physiological disease. Morbidity (from Latin morbidus, meaning sick, unhealthy) is a diseased state, disability, or poor health due to any cause. The term may be used to refer to the existence of any form of disease, or to the degree that the health condition affects the patient. Celiac Disease-Cause. Although the exact cause of celiac disease isn't known, having certain genes increases your risk. You are more likely to have these genes if you have a first-degree relative (mother, father, brother, sister, son, or daughter) who has celiac disease. In this section you can learn more about the known causes of cancer, including genetic factors; lifestyle factors such as tobacco use, diet, and physical activity; certain types of infections; and environmental exposures to different types of chemicals and radiation.  Research suggests that coronary heart disease (CHD) begins with damage to the lining and inner layers of the coronary (heart) arteries. Several factors contribute to this damage. They include: 1  Smoking, including secondhand smoke. 2  High amounts of certain fats and cholesterol in the blood. 3  High blood pressure.  Best Answer: A pathogen is something that causes pathology (a fancy word for disease). The cause of a disease is sometimes referred to as the etiology..  However, in Crohn's disease, it seems that something disrupts the immune system, which sends a special protein known as tumour necrosis factor-alpha (TNF-alpha) to kill all bacteria, regardless of whether they're friendly or not. This causes most of the inflammation associated with Crohn's disease. The exact cause of Crohn's disease is unknown. Most researchers think it's caused by a combination of factors. These are thought to be: 1  genetics. 2  the immune system. 3  smoking. 4  previous infection
http://www.mayoclinic.org/diseases-conditions/erectile-dysfunction/basics/causes/CON-20034244 https://en.wikipedia.org/wiki/Disease https://en.wikipedia.org/wiki/Disease https://en.wikipedia.org/wiki/Disease http://www.webmd.com/digestive-disorders/celiac-disease/celiac-disease-cause http://www.cancer.org/cancer/cancercauses/index http://www.nhlbi.nih.gov/health/health-topics/topics/hdw/causes https://answers.yahoo.com/question/index?qid=20091124061018AA2Vstv http://www.nhs.uk/Conditions/Crohns-disease/Pages/Causes.aspx
disease is something which causes